
Leather - Physical and mechanical tests - Determination of apparent density and mass per unit area (ISO 2420:2017)
出版:Standardiserings-Kommissionen I Sverige

專家解讀視頻
Leather - Physical and mechanical tests - Determination of apparent density and mass per unit area (ISO 2420:2017)
出版:Standardiserings-Kommissionen I Sverige
專家解讀視頻