
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)

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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)
专家解读视频