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GB/T 33285.2-2024 Leather and fur - Determination of alkylphenols and alkylphenol polyoxyethylene ethers - Part 2: Indirect method 皮革和毛皮-烷基酚及烷基酚聚氧乙烯醚的测定-第2部分：间接法 - 中英文版 |
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GB/T 21548-2021 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 - 中英文版 |
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GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2: Direct weathering and exposure behind window glass 塑料 太阳辐射暴露试验方法 第2部分：直接自然气候老化和暴露在窗玻璃后气候老化 - 中英文版 |
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GB/T 38812.2-2020 Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法 - 中英文版 |
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GB/T 38812.1-2020 Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法 - 中英文版 |
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GB/T 38206.2-2020 Methods to assess the reliability of pneumatic components—Part 2: Directional control valve 气动元件可靠性评估方法 第2部分：换向阀 - 中英文版 |
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GB/T 7274-2015 Methods for the measurement of direct inter-electrode capacitances of electronic tubes and valves 电子管极间电容测试方法 - 中英文版 |
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GB/T 22159.2-2012 Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 2: Direct method for determination of the dynamic stiffness of resilient supports for translatory motion 声学与振动 弹性元件振动-声传递特性实验室测量方法 第2部分：弹性支撑件平动动刚度的直接测量方法 - 中英文版 |
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GB/T 3681-2011 Plastics methods of exposure to direct weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors 塑料 自然日光气候老化、玻璃过滤后日光气候老化和菲涅耳镜加速日光气候老化的暴露试验方法 - 中英文版 |
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GB/T 23250-2009 The direct method of determining coalbed gas content in the mine 煤层瓦斯含量井下直接测定方法 - 中英文版 |
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GB/T 22159.3-2008 Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 3: Indirect method for determination of the dynamic stiffness of resilient supports for translatory motion 声学与振动 弹性元件振动 声传递特性实验室测量方法 第3部分：弹性支撑件平动动刚度的间接测量方法 - 中英文版 |
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GB/T 21548-2008 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 - 中英文版 |
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GB/T 20862-2007 Directives of the calculation method for recoverability rate of products 产品可回收利用率计算方法导则 - 中英文版 |
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GB/T 16071-1995 Workplace air--Determination of ethyl ether--Direct injection gas chromatographic method 车间空气中乙醚的直接进样气相色谱测定方法 - 中英文版 |
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GB/T 223.50-1994 Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content 钢铁及合金化学分析方法 苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量 - 中英文版 |
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GB/T 12314-1990 Sensory analysis method--Guide lines for the preparation of samples for which direct sensory analysis is not feasible 感官分析方法 不能直接感官分析的样品制备准则 - 中英文版 |
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GB/T 5078-1985 Method for the determination of the space required by capacitors and resistors with unidirectional terminations 单向引出的电容器和电阻器所需空间的测定方法 - 中英文版 |
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