Home / Standards / GB/T 3917.4-2009 GB/T 3917.4-2009 Active Textiles - Tear properties of fabrics - Part 4: Determination of tear force of tongue-shaped test specimens (Double tear test) 纺织品 织物撕破性能 第4部分：舌形试样（双缝）撕破强力的测定 Standard Type GBT ICS 59.080.30 CCS W04 Status 现行 Issue Date 2009-03-19 Implementation 2010-01-01 Responsible Dept 中国纺织工业联合会 Drafting Unit 中国纺织工业联合会