Invention Grant
- Patent Title: Crank-shaft-twisting machine
- Patent Title (中): 曲轴加捻机
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Application No.: US9374126Application Date: 1926-03-10
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Publication No.: US1680769APublication Date: 1928-08-14
- Inventor: DAMERELL MARK H
- Applicant: WYMAN GORDON CO
- Assignee: Wyman Gordon Co
- Current Assignee: Wyman Gordon Co
- Priority: US9374126 1926-03-10
- Main IPC: B21D11/16
- IPC: B21D11/16
Information query
