Invention Grant
- Patent Title: Bearing member and process for manufacturing it
- Patent Title (中): 轴承成员及其制造工艺
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Application No.: US46161430Application Date: 1930-06-16
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Publication No.: US1928544APublication Date: 1933-09-26
- Inventor: EDOUARD RICARD ALFRED
- Applicant: EDOUARD RICARD ALFRED
- Assignee: Ricard Alfred Edouard
- Current Assignee: Ricard Alfred Edouard
- Priority: FR1928544X 1930-05-06
- Main IPC: B21K1/04
- IPC: B21K1/04
Information query
