GB/T 3883.204-2019
手持式、可移式電動工具和園林工具的安全 第204部分:手持式非盤式砂光機和拋光機的專用要求
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