美利体育登录入口官网:DIN EN ISO 17186:2026-03 皮革 物理和机械测试 表面涂层厚度测定 (ISO/DIS 17186:2026) 德文版和英文版 prEN ISO 17186:2026
Leather - Physical and mechanical tests - Determination of surface coating thickness (ISO/DIS 17186:2026); German and English version prEN ISO 17186:2026