GB/T 17465.5-2017家用和类似用途器具耦合器第2-1部分:缝纫机耦合器国家标准
英文:Appliance couplers for household and similar general purposes—Part 2-1: Sewing machine couplers GB/T 17465.5-2017介绍: ...
英文:Appliance couplers for household and similar general purposes—Part 2-1: Sewing machine couplers GB/T 17465.5-2017介绍: ...