兑水 发表于 2009-10-19 07:24:05

ASTM D 5756-2002 用透射电子显微镜对尘埃中石棉质量浓度作微...

D5756-02 Standard Test Method for Microvacuum Sampling and Indirect Analysis of Dust by Transmission Electron Microscopy for Asbestos Mass Concentration
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