兑水 发表于 2009-10-24 15:32:06

ASTM D 6480-2005 用透射电子显微镜对表面擦拭取样中石棉结构...

D6480-99 Standard Test Method for Wipe Sampling of Surfaces, Indirect Preparation, and Analysis for Asbestos Structure Number Concentration by Transmission Electron Microscopy
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