Invention Grant
- Patent Title: Engine cylinder burnishing device
- Patent Title (中): 发动机气缸抛光装置
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Application No.: US60837232Application Date: 1932-04-30
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Publication No.: US1944955APublication Date: 1934-01-30
- Inventor: JOSEPH SUNNEN
- Applicant: JOSEPH SUNNEN
- Assignee: Sunnen Joseph
- Current Assignee: Sunnen Joseph
- Priority: US60837232 1932-04-30
- Main IPC: B24B33/08
- IPC: B24B33/08
Information query
