GB/T 22794-2017家用和类似用途的不带和带过电流保护的F型和B型剩余电流动作断路器国家标准
英文:Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for hou...
英文:Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for hou...