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GB/T 31126—2014 紡織品 全氟辛烷磺?;衔锖腿人岬臏y定,PDF。 : X0 L3 q) }5 \6 y2 d# ]: ?Textiles—Determination of perfluorooctane sulfonates and perfluoroalkyl carboxylates : K3 g0 ...
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