Invention Grant
- Patent Title: Method of and apparatus for producing ferrous sheet metal
- Patent Title (中): 生产铁金属片的方法和设备
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Application No.: US3518535Application Date: 1935-08-07
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Publication No.: US2105969APublication Date: 1938-01-18
- Inventor: CASTLE ALFRED J
- Applicant: INLAND STEEL CO
- Assignee: Inland Steel Co
- Current Assignee: Inland Steel Co
- Priority: US3518535 1935-08-07
- Main IPC: B21B1/22
- IPC: B21B1/22 ; B21B1/28 ; B21B1/38 ; B21B45/00 ; C21D8/02
Information query
IPC分类:
