2230| 1
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寻找常州模具刀具修模厂,据说是德国人开的,我要冲压壁厚为0.5毫米直径为18.55 |
小黑屋|手机版|Archiver|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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