Invention Grant
- Patent Title: Channel-rolling mill
- Patent Title (中): 通道轧机
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Application No.: US49608521Application Date: 1921-08-27
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Publication No.: US1736331APublication Date: 1929-11-19
- Inventor: TOWNSEND ARTHUR J
- Applicant: AMERICAN ROLLING MILL CO
- Assignee: American Rolling Mill Co
- Current Assignee: American Rolling Mill Co
- Priority: US49608521 1921-08-27
- Main IPC: B21D5/08
- IPC: B21D5/08
Information query
