chemrd 发表于 2013-7-15 14:57:08

ASTM D4252-1989(2009) Standard Test Methods for Chemical Analysis of Alcohol Eth

ASTM D4252-1989(2009)  Standard Test Methods for Chemical Analysis of Alcohol Ethoxylates and Alkylphenol Ethoxylates

sigh007 发表于 2013-7-15 21:35:43

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