
Plastics - Methods for determining the density of non-cellular plastics - Part 3: Gas pyknometer method (ISO 1183-3:1999)
出版:Standardiserings-Kommissionen I Sverige

专家解读视频
Plastics - Methods for determining the density of non-cellular plastics - Part 3: Gas pyknometer method (ISO 1183-3:1999)
出版:Standardiserings-Kommissionen I Sverige
专家解读视频