
Hand-held Portable Power Tools - Measurement Of Vibrations At The Handle - Part 5: Pavement Breakers And Hammers For Construction Work
出版:South African Bureau of Standards

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Hand-held Portable Power Tools - Measurement Of Vibrations At The Handle - Part 5: Pavement Breakers And Hammers For Construction Work
出版:South African Bureau of Standards
專家解讀視頻