
Leather — Physical and mechanical tests — Measurement of stitch tear resistance (ISO 23910:2019)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Leather — Physical and mechanical tests — Measurement of stitch tear resistance (ISO 23910:2019)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻