UNE 15-009 Pt 1-1994 Tool shanks with 7 24 taper for automatic tool changers Part 1 Shanks Nos 40 45 and 50 Dimensions and conicity tolerances《锥度为7 24的器具的柄 第1部分：40，45和50号圆锥，锥度的测量和允.pdf

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