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GB/T 14573.1-1993 Acoustics--Statistical methods for determining and verifying stated noise emission values of machinery and equipment--Part 1:General considerations and definitions 声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第一部分:概述与定义 - 中英文版 |
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GB/T 12373-1990 Standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas 居住区大气中气态污染物液体吸收法的标准采样装置 - 中英文版 |
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GB/T 9863-1988 Method for determining the speed of colour reversal camera films 彩色反转照相胶片感光度测定方法 - 中英文版 |
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GB/T 9862-1988 Method for determining the speed and average gradient of black-and-white aerial camera films 黑白航空照相胶片感光度和平均斜率测定方法 - 中英文版 |
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GB/T 6843-1986 Method for determining the coating melting point of photographic materials 感光材料涂层熔点测定方法 - 中英文版 |
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