发明授权
US2399775A Means for drawing, forming, shaping, or embossing sheet metal and the like
失效
用于拉伸,成形,成形或压花金属片等的装置
- 专利标题: Means for drawing, forming, shaping, or embossing sheet metal and the like
- 专利标题(中): 用于拉伸,成形,成形或压花金属片等的装置
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申请号: US48221643申请日: 1943-04-07
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公开(公告)号: US2399775A公开(公告)日: 1946-05-07
- 发明人: WHISTLER LAWRENCE V , WHISTLER SANFORD A
- 申请人: WHISTLER LAWRENCE V , WHISTLER SANFORD A
- 专利权人: Lawrence V Whistler,Sanford A Whistler
- 当前专利权人: Lawrence V Whistler,Sanford A Whistler
- 优先权: US48221643 1943-04-07
- 主分类号: B21D26/02
- IPC分类号: B21D26/02 ; B21D26/025 ; B21D26/029