ygs67 发表于 2016-3-28 14:46:56

ASTM D4655-95(2012)

ASTM D4655-95(2012) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)

admin 发表于 2016-3-28 18:09:44

谢谢您的分享，金币已奖励！
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查看完整版本: ASTM D4655-95(2012)