
Machine Screwing Taps For Fine Pitch Metric Iso-threads M3 X 0,2 To M52 X 4
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Machine Screwing Taps For Fine Pitch Metric Iso-threads M3 X 0,2 To M52 X 4
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻