
American National Standard for Outdoor Power Equipment - Portable, Handheld, Internal-Combustion-Engine-Driven Cut-Off Machines - Safety Requirements
出版:Outdoor Power Equipment Institute

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Applies to portable, hand-held gasoline powered-machines, which use a rotating cut-off wheel that is center-mounted on and driven by a spindle shaft, that are designed for cutting construction materials such as asphalt, concrete, stone, and metal.
Supersedes ANSI B7.5. (04/2006) Revised and Redesignated as OPEI B175.4. (11/2013)