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GB/T 14132-1993 Performance requirements for digital linesystems on symmetric pair cables used in telecommunication network 对称电缆数字线路系统进网要求 - 英文版 |
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GB/T 14131-1993 Performance requirements for digital linesystems on coaxial pair cables used in telecommunication network 同轴电缆数字线路系统进网要求 - 英文版 |
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GB/T 14130-1993 Performance requirements for digital sections of metallic cables used in telecommunication network 电缆数字段进网要求 - 英文版 |
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GB/T 13918-1992 Sizes of format paper used by office machine in non-continuous forms 办公机器用非连续格式纸尺寸系列 - 英文版 |
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GB/T 4958.17-1992 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section six--Diversity，twin-path and hot stand-by equipment 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第六节 分集、双路和热备用设备 - 英文版 |
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GB/T 4958.16-1992 Methods of measurement for equipment used in terrestrial radio-relay systems--Part 2:Measurements for sub-systems--Section three--R.F. branching networks 地面无线电接力系统所用设备的测量方法 第二部分:分系统的测量 第三节 射频分支网络 - 英文版 |
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GB/T 4958.15-1992 Methods of measurement for equipment usedin terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated radio-relay systems--Section four--Measurements in the baseband 地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真无线电接力系统通用的测量 第四节 基带范围的测量 - 英文版 |
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GB/T 4958.14-1992 Methods of measurement for equipment usedin terrestrial radio-relay systems--Part 1:Measurements common to sub-systems and simulated radio-relay systems--Section two--Measurements in the radio-frequency range 地面无线电接力系统所用设备的测量方法 第一部分:分系统和仿真无线电接力系统通用的测量 第二节 射频范围的测量 - 英文版 |
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GB/T 13858.1-1992 Specification for colour TV modulation and demodulation equipment(1TV+4 sound program)used in middle distance terrestrial analog radio-relay systems 中距离地面模拟无线电接力系统彩色电视调制机和解调机(1路电视和4路伴音)技术条件 - 英文版 |
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GB/T 13410-1992 The technical specifications of turbochargers used for marine diesel engines 船用柴油机涡轮增压器技术条件 - 英文版 |
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GB/T 13394-1992 Letter symbols to be used in electrical technology--Symbols for quantities to be used for rotating electrical machines 电工技术用字母符号 旋转电机量的符号 - 英文版 |
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GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5 mm coaxial cable 2.6/9.5 mm综合中同轴电缆高频四芯组或高频线对12路载波电话终端设备技术条件 - 英文版 |
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GB 13116-1991 Hygienic standard for polycarbonate resin used as foodcontainers and packaging materials 食品容器及包装材料用聚碳酸酯树脂卫生标准 - 英文版 |
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GB 13115-1991 Hygienic standard for unsaturated polyester resin and glass fibre reinforced plastics used asfood containers and packaging materials 食品容器及包装材料用不饱和聚酯树脂及其玻璃钢制品卫生标准 - 英文版 |
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GB 13114-1991 Hygienic standardfor polyethylene terephthalate resin used as food containers and packaging materials 食品容器及包装材料用聚对苯二甲酸乙二醇酯树脂卫生标准 - 英文版 |
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GB 13113-1991 Hygienic standard for polyethylene terephthalate products used as food containers and packagingmaterials 食品容器及包装材料用聚对苯二甲酸乙二醇酯成型品卫生标准 - 英文版 |
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GB/T 12401-1990 Specificationof antenna (including feed network) and servo system used in domestic satellitecommunication earth stations 国内卫星通信地球站天线(含馈源网络)和伺服系统设备技术要求 - 英文版 |
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GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services 移动通信调频无线电话接收机测量方法 - 英文版 |
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GB/T 12192-1990 Methods of measurement for radio transmitters employing F3E emission used in the mobile services 移动通信调频无线电话发射机测量方法 - 英文版 |
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GB/T 12185-1990 General specification for exciter used to MW AM broadcast transmitter 中波调幅广播激励器通用技术条件 - 英文版 |
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GB/T 12171-1990 Specification for TDM/FDM 60-channeltransmultiplexing equipments used in the telecommunication network TDM/FDM 60路复用转换设备进网要求 - 英文版 |
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GB/T 12163-1990 Lead shielding units for 50 and 100 mm thick walls used for protection against ionizing radiation 用于防护电离辐射的50 mm和100 mm厚墙的铅屏蔽构件 - 英文版 |
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GB 12048-1989 Requirements for clock and synchronization equipment used in the digital network 数字网内时钟和同步设备的进网要求 - 英文版 |
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GB 11680-1989 Hygienic standard of paper used for food packaging 食品包装用原纸卫生标准 - 英文版 |
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GB 11678-1989 Hygienic standard for polytetrafluorethylene used as inner coating of food containers 食品容器内壁聚四氟乙烯涂料卫生标准 - 英文版 |
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GB/T 11444.3-1989 Transmitter， receiver and ground communication equipment used in domestic satellite communication earth stations--Technical requirements--Part 3:Equipment for television/frequency modulation 国内卫星通信地球站发射、接收和地面通信设备技术要求 第三部分:电视/ 调频设备 - 英文版 |
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GB/T 11299.9-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section seven:Frequency demodulators--Section eight:Frequency demodulators 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第七节:频率调制器 第八节:频率解调器 - 英文版 |
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GB/T 11299.8-1989 Methods of measuremant for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section four:Up and down converters 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第四节:上变频器和下变频器 - 英文版 |
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GB/T 11299.7-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 2:Sub-systems measurements--Section three:Low noise amplifier 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第三节:低噪声放大器 - 英文版 |
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GB/T 11299.6-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section one:General--Section two:Antenna(inculuding feed network) 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第一节:概述 第二节:天线(包括馈源网络) - 英文版 |
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GB/T 11299.5-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinationsof sub-systems--Section five:Noise temperature measurements 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第五节:噪声温度测量 - 英文版 |
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GB/T 11299.4-1989 Methods of measurement for radio equipment used in satelliteearth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section four:Measurements in the base band 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第四节:基带测量 - 英文版 |
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GB/T 11299.3-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section three:Measurements in the i.f.range 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第三节:中频范围内的测量 - 英文版 |
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GB/T 11299.2-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section two:Measurements in the r.f.range 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第二节:射频范围内的测量 - 英文版 |
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GB/T 11299.15-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section five:Antenna tracking and control 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第五节:天线跟踪和控制 - 英文版 |
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GB/T 11299.14-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section four:Measurement for monochrome and colour television transmission 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第四节:黑白和彩色电视传输测量 - 英文版 |
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GB/T 11299.13-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurements for combinations of sub-systems--Section three:Measurements for F.D.M. transmission 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第三节:频分多路复用传输的测量 - 英文版 |
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GB/T 11299.12-1989 Methods of measurement for radio equipment used insatellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section two:Measurement of the figure of merit(G/T)of the receiving system in the 4GHz to 6GHz range 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第二节:4～6 GHz接收系统品质因数(G/T)测量 - 英文版 |
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GB/T 11299.1-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section one:General 卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第一节 总则 - 英文版 |
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GB/T 11299.11-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 3:Methods of measurement for combinations of sub-systems--Section one: General 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第一节:概述 - 英文版 |
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GB/T 11299.10-1989 Methods of measurement for radio equipment used in satellite earth stations--Part 2:Measurements for sub-systems--Section ten:High-power amplifier 卫星通信地球站无线电设备测量方法 第二部分:分系统测量 第十节:高功率放大器 - 英文版 |
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GB/T 9715-1988 Information processing--Precision reels for magnetic tape used in interchange instrumentation applications 信息处理 互换计测磁带用的精密带盘 - 英文版 |
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GB/T 9714-1988 Information processing--General purpose hubs and reels with 76mm centre hole for magnetic tape usedin interchange instrumentation applications 信息处理 互换计测磁带用的76mm中心孔通用带盘和盘芯 - 英文版 |
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GB 9693-1988 Hygienic standard for polypropyrene resinused as food packaging material 食品包装用聚丙烯树脂卫生标准 - 英文版 |
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GB 9692-1988 Hygienic standard for polystyrene resinused as food packaging material 食品包装用聚苯乙烯树脂卫生标准 - 英文版 |
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GB 9691-1988 Hygienic standard for polyethylene resin used as food packaging material 食品包装用聚乙烯树脂卫生标准 - 英文版 |
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GB 9689-1988 Hygienic standard for polystyrene products used as food containers and tablewares 食品包装用聚苯乙烯成型品卫生标准 - 英文版 |
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GB 9688-1988 Hygienic standard for polypropyrene products used as food containers and tablewares 食品包装用聚丙烯成型品卫生标准 - 英文版 |
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GB 9687-1988 Hygienic standard for polyethylene products used as food containers and tablewares 食品包装用聚乙烯成型品卫生标准 - 英文版 |
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GB/T 9409-1988 Specifications for colour TV demodulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay systems 长距离地面模拟微波接力系统 彩色电视解调机 (一路电视一路伴音) 技术条件 - 英文版 |
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