2994| 6
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GB/T15055-94冲压件未注公差尺寸极限偏差 |
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GBT 15055-2007 冲压件未注公差尺寸极限偏差
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Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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