兑水 发表于 2009-10-7 11:01:12

ASTM D 3862-1980 评定微生物水质的常规过滤程序用0.2微米滤膜...

D3862-80(2001) Standard Test Method for Retention Characteristics of 0.2-µm Membrane Filters Used in Routine Filtration Procedures for the Evaluation of Microbiological Water Quality
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