GB/T 40927-2021皮革物理和机械试验漆皮耐热性能的测定标准
英文:Leather—Physical and mechanical tests—Determination of heat resistance of patent leather GB/T 40927-2021介绍: 国家标准《皮革 物...
英文:Leather—Physical and mechanical tests—Determination of heat resistance of patent leather GB/T 40927-2021介绍: 国家标准《皮革 物...