西北牌内径量表青量内径百分表内径千分表QLR内径摇表量缸表18-450mm内径测量范围

内径量表量缸规
货号：512-01-200,512-02-200,512-03-200,512-04-200,512-05-200,512-06-200,512-07-200,512-01-220,512-02-220,512-03-220,512-04-220,512-05-220,512-06-220,512-07-220,
规格：18-35mm,35-60mm,50-100mm,50-160mm,100-160mm,160-250mm,250-450mm,
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