GB/T 38612-2020人造革合成革试验方法拉伸负荷及断裂伸长率的测定标准
英文:Test method of artificial leather and synthetic leather—Determination of tensile load and elongation at break GB/T 38...
英文:Test method of artificial leather and synthetic leather—Determination of tensile load and elongation at break GB/T 38...