兑水 发表于 2009-10-21 14:52:17

ASTM D 6057-1996 用差显微镜对工作区环境空中晶体陶瓷接触须...

D6057-96(2001)e1 Standard Test Method for Determining Concentration of Airborne Single-Crystal Ceramic Whiskers in the Workplace Environment by Phase Contrast Microscopy
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