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GB/T 6730.1-1986 Methods for chemical analysis of iron ores--Preparation of predried test samples for chemical analysis 铁矿石化学分析方法 分析用预干燥试样的制备 - 英文版 |
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GB/T 5594.5-1985 Test methods for properties of structure ceramic used in electronic components--Test method forvolume resistivity 电子元器件结构陶瓷材料性能测试方法 体积电阻率测试方法 - 英文版 |
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GB/T 5594.2-1985 Test methods for properties of structure ceramic used in electronic components--Test method for Youngs elastic modulus and Poisson ratio 电子元器件结构陶瓷材料性能测试方法 杨氏弹性模量、泊松比测试方法 - 英文版 |
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GB/T 5594.1-1985 Test methods for properties of structure ceramic used in electronic components--Test method for gas-tightness 电子元器件结构陶瓷材料性能测试方法 气密性测试方法 - 英文版 |
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GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network 电话自动交换网用户信号技术指标测试方法 - 英文版 |
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GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork 电话自动交换网铃流和信号音技术指标测试方法 - 英文版 |
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GB/T 5442-1985 The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 - 英文版 |
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GB/T 5441.9-1985 Test methods for communication cable--Test for ideal screening factor measured at power frequency 通信电缆试验方法 工频条件下理想屏蔽系数试验 - 英文版 |
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GB/T 5441.7-1985 Test methods for communication cable--Attenuation coefficient test--Open and short circuit method 通信电缆试验方法 衰减常数试验 开短路法 - 英文版 |
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GB/T 5441.6-1985 Test methods for communication cable--Crosstalk attenuation test--Comparison method 通信电缆试验方法 串音衰减试验 比较法 - 英文版 |
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GB/T 5441.5-1985 Test methods for communication cable--Characteristic impedance test of coaxial pair--Resonance method 通信电缆试验方法 同轴对特性阻抗实部平均值试验 谐振法 - 英文版 |
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GB/T 5441.4-1985 Test methods for communication cable--Impedance and impedance irregularities test of coaxial pair--Pulse method 通信电缆试验方法 同轴对端阻抗及内部阻抗不均匀性试验 脉冲法 - 英文版 |
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GB/T 5441.3-1985 Test methods for communication cable--Capacitance unbalance test 通信电缆试验方法 电容耦合及对地电容不平衡试验 - 英文版 |
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GB/T 5441.2-1985 Test methods for communication cable--Capacitance test--Bridge method 通信电缆试验方法 工作电容试验 电桥法 - 英文版 |
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GB/T 5441.1-1985 Test methods for communication cable--General 通信电缆试验方法 总则 - 英文版 |
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GB/T 5441.10-1985 Test methods for communication cable--Measurement of actual length of coaxial pair--Sine wave method 通信电缆试验方法 同轴对展开长度测量 正弦波法 - 英文版 |
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GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network 电话自动交换网多频记发器信号技术指标测试方法 - 英文版 |
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GB/T 1728-1979 Methods of test for drying time of coatingsof paints and putties 漆膜、腻子膜干燥时间测定法 - 英文版 |
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GB/T 1726-1979 Methods of test for hiding power of paints 涂料遮盖力测定法 - 英文版 |
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GB/T 1724-1979 Methods of test for fineness of grind of paints 涂料细度测定法 - 英文版 |
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