GB 12112-1989.Industrial sewing machine- cylinder bed covering chainstitch sewin...

国家标准2023.07.22

GB/T 2678. 4-1994.Pulp and paper- Determination of zero-span tensile properties....

国家标准2023.07.22

GB/T 2678. 5-1996.Paper , board and pulp-Determination of water soluble chhoride...

国家标准2023.07.22

GB 2798-1981.Types and dimensions of cylindrical and recessed caps.GB 2798适用于电光源...

国家标准2023.07.22

GB 5000-1985.Terms for domestic ceramics.5.28干燥收缩率 :percent of drying shrinkage试...

国家标准2023.07.22

GB/T 5305-2008.Packaging,marking, transportation and storage of hand tools.1范围GB...

国家标准2023.07.22

GB/T 5432-2008.Test method for density of glass by buoyancy.1范围GB/T 5432规定了用浮力法测...

国家标准2023.07.22

GB 7056-1986.Determination of pull-out force of upper bands from bottom of slipp...

国家标准2023.07.22

GB/T 7612-1987.Determination of sound power level for noise emitted by leather m...

国家标准2023.07.22

GB/T 7973-2003.Paper , board and pulps-Measurement of diffuse reflectance factor...

国家标准2023.07.22