发明授权
- 专利标题: Machine for bending or flanging sheet metal.
- 专利标题(中): 用于弯曲或法兰片金属的机器。
-
申请号: US1902110444申请日: 1902-06-06
-
公开(公告)号: US711471A公开(公告)日: 1902-10-21
- 发明人: CHAMBERS ARTHUR E , BULLARD LEWIS H
- 申请人: MICHIGAN STEEL BOAT COMPANY
- 专利权人: Michigan Steel Boat Company
- 当前专利权人: Michigan Steel Boat Company
- 优先权: US1902110444 1902-06-06
信息查询