
Leather - Physical And Mechanical Tests - Determination Of Apparent Density And Mass Per Unit Area (Iso 2420:2017)
出版:Polish Committee for Standardization

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:Polish Committee for Standardization
專家解讀視頻