CSA C22.2 NO 745-4-3-95-1995 手提式电池驱动工具的安全标准-第4部分:研磨光机、抛光机和盘式砂轮机的消费者和商用产品的特殊要求.通用指令第1号.UL 745-4-3
Safety of Portable Battery-Operated Tools - Part 4: Particular Requirements for Grinders, Polishers and Disk-Type Sanders Consumer and Commercial Products First Edition; General Instruction No 1; UL 745-4-3
The Canadìan Standards Assodatìon (UA), under
whose auspices this National Standard has been produced,
was chartered in 191 9 and accredited by the
Standards Council of Canada to the National Standards
system in 7973. It is a not-for-profit, nonstatut