DIN EN ISO 3376 E:2019 皮革 物理和機(jī)械測(cè)試 拉伸強(qiáng)度和延伸百分比的測(cè)定(ISO/DIS 3376:2019) 草案
Draft Document - Leather - Physical and mechanical tests - Determination of tensile strength and percentage extension (ISO/DIS 3376:2019); German and English version prEN ISO 3376:2019