GB/T 3883.204-2019
手持式、可移式电动工具和园林工具的安全 第204部分:手持式非盘式砂光机和抛光机的专用要求
Safety of motor-operated hand-held, transportable and garden tools—Part 204: Particular requirements for hand-held sanders and polishers other than disc type
GBT3883.204-2019, GB3883.204-2019