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- HB 6222-1989 切制MJ内螺纹工艺底孔基本尺寸偏差
- HB 6222-1989
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- 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
- HB 4547-1992
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- HB 4546-1992 MJ内螺纹第Ⅱ系列工艺底孔用套量头双头光滑塞规 MJ42~MJ80
- HB 4546-1992
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- HB 4545-1992 MJ内螺纹第Ⅱ系列工艺底孔用圆锥尾量头双头光滑塞规 MJ3.5~MJ40
- HB 4545-1992
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- HB 4544-1992 MJ内螺纹第Ⅱ系列工艺底孔用针式双头光滑塞规 MJ1.6~MJ3
- HB 4544-1992
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- 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
- HB 4543-1992
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- HB 4542-1992 MJ内螺纹第Ⅰ系列工艺底孔用套量头双头光滑塞规 MJ42~MJ80
- HB 4542-1992
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- HB 4541-1992 MJ内螺纹第Ⅰ系列工艺底孔用圆锥尾量头双头光滑塞规 MJ3.5~MJ40
- HB 4541-1992