
Assembly Tools For Screws And Nuts - Screwdrivers For Cross-recessed Head Screws - Part 2: General Requirements, Lengths Of Blades And Marking Of Hand-operated Screwdrivers
出版:South African Bureau of Standards

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Assembly Tools For Screws And Nuts - Screwdrivers For Cross-recessed Head Screws - Part 2: General Requirements, Lengths Of Blades And Marking Of Hand-operated Screwdrivers
出版:South African Bureau of Standards
专家解读视频