兑水 发表于 2009-11-18 09:41:57

ASTM F 25-2004 电子及类似用途用的清洁室及其它防尘区域空...

F25-68(1999) Standard Test Method for Sizing and Counting Airborne Particulate Contamination in Clean Rooms and Other Dust-Controlled Areas Designed for Electronic and Similar Applications
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