GB 5558-1985.Surface active agents-Textile auxiliaries Method for determination...

国家标准2023.07.21

GB 5560-1985.Surface active agents-Textile auxiliares Method for determination o...

国家标准2023.07.21

GB 5704. 1-1985.Measuring instruments for anthropome try Anthropome ter.1.2主尺杆:由...

国家标准2023.07.21

GB 5704.2-1985.Measuring instruments for anthropome try Sliding caliper for anth...

国家标准2023.07.21

GB 5704.3-1985.Measuring instruments for anthropometry Spreading caliper for ant...

国家标准2023.07.21

GB 5704.4-1985.Measurlng instruments for anthropome try Coord lnate callper for...

国家标准2023.07.21

GB 5799-1986.Dynamic balancing of rolls and dryers of paper machine .GB 5799适用于滚...

国家标准2023.07.21

GB 11882-1989.Drafti ng machi nes.5.3按4.2.3刻度 盘定位的角度精度的检验:将绘图机固定在检验图板上，在水平方向上装上检...

国家标准2023.07.21

GB 11983-1989.Surface active agent-Determination of wetting power by immersion.G...

国家标准2023.07.21

GB 11985-1989.Surface active agenb-Determination of interfacial tension-Drop vol...

国家标准2023.07.21