Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pyknometer method and titration method
塑料.非泡沫塑料的密度测定方法.分:浸渍法、液体比重瓶法和滴定法.
Plastics -- Methods for determining the density of non-cellular plastics -- Part 1: Immersion method, liquid pyknometer method and titration method
塑料.非泡沫塑料的密度测定方法.分:浸渍法、液体比重瓶法和滴定法.
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