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- HB 4233-1989 MJ螺纹校对塞规 校通-通TT MJ1.6×0.35~MJ5×0.8
- HB 4233-1989
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- HB 4230-1989 MJ螺纹校对塞规 校通-止TZ 校通-损TS MJ6×1~MJ39×2
- HB 4230-1989
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- HB 3440-1984 样板及校对样板 检验1560/201~328钻槽铣刀截形用尺寸
- HB 3440-1984
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- HB 4009-1987 气瓶专用锥螺纹中径螺纹环规的校对塞规
- HB 4009-1987
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- HB 4008-1987 气瓶专用切制锥螺纹前光滑环规的校对塞规
- HB 4008-1987