chemrd 发表于 2013-7-9 08:00:00

ISO 8212-1986 Soaps and detergents; Techniques of sampling during manufacture

ISO 8212-1986 Soaps and detergents; Techniques of sampling during manufacture

求这个标准,多谢。

sigh007 发表于 2013-7-9 13:11:05

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