
Hand-Held Motor-Operated Electric Tools - Safety - Part 2-1: Particular Requirements for Drills and Impact Drills (Bi-National standard, with UL 60745-2-1)
出版:Canadian Standards Association

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Hand-Held Motor-Operated Electric Tools - Safety - Part 2-1: Particular Requirements for Drills and Impact Drills (Bi-National standard, with UL 60745-2-1)
出版:Canadian Standards Association
专家解读视频