This standard specifies the test methods for the mass per unit area, thickness, breaking strength (tensile strength) and elongation at break, joint strength, re

This standard specifies the type, size, technical requirements, reference standard and number of 12-point head heat resistant nuts for automobiles. This standar

This Standard specifies the structural type, size and technical requirements of pipe fittings and pipe ends for automobile air-conditioning system. This Standar

This standard specifies the terms and definitions, requirements, test methods, inspection rules, signs, packaging, transportation, storage of window regulator f

This Standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of electric hea