chemrd 发表于 2017-6-17 14:40:45

ISO 697-1981 Surface active agents-Washing powders-Determination of apparent den

ISO 697-1981 Surface active agents-Washing powders-Determination of apparent density-Method by measuring the mass of a given volume

admin 发表于 2017-6-20 11:55:52

谢谢您的分享,金币已奖励!
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