GOST R ISO 13937-1-2012 Textiles Tear properties of fabrics Part 1 Determination of tear force using ballistic pendulum method (Elmemdorf)《纺织品 织物的抗撕裂性 第1部分 采用冲击摆锤法(埃尔门多夫)测定撕裂力》.pdf

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