HB 4547-1992 MJ内螺纹第Ⅱ系列工艺底孔用非全形单头带柄光滑塞规MJ82~MJ120.pdf

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HB 781-1973 1~8级精度用硬质合金非全形单头带柄光面规D80~180mm.pdf

HB 4543-1992 MJ内螺纹第1系列工艺底孔用非全形单头带柄光滑塞规MJ82~MJ120.pdf

HB 3448-1984 IT6至IT14级用非全形单头带柄光滑塞规(D80~180).pdf

HB 3456-1984 IT6至IT14级用硬质合金非全形单头带柄光滑塞规(D80~180).pdf

HB 782-1973 1~8级精度用非全形单头带柄光面塞规D80~180mm.pdf

HB 783-1973 2~8级精度用硬质合金非全形单头带柄光面塞规D180~260mm.pdf

HB 3456-1984 ⅠT6至ⅠT14级用硬质合金非全形单头带柄光滑塞规 (D＞80～180).pdf

HB 4543-1992 MJ内螺纹第Ⅰ系列工艺底孔用非全形单头带柄光滑塞规 MJ82～MJ120.pdf

HB 3448-1984 ⅠT6至ⅠT14级用非全形单头带柄光滑塞规(D≥80～180).pdf

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