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