DIN 53835-2-1981 纺织品的检验.用恒定拉伸极限间的重复拉伸载荷测定单股和合股弹性纱线的弹性特性
Testing of textiles; determination of the elastic behaviour of single and plied elastomeric yarns by repeated application of tensile load between constant extension limits
Testing of textiles; tensile test for testing the elastic behaviour; single and plied yarns from elastofibres, repeated tension stresses between constant elongation limitsEssai des textiles; essai du comportement élastique à la traction; fils simples et