Invention Grant
- Patent Title: Internal-combustion engine
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Application No.: US35235920Application Date: 1920-01-19
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Publication No.: US1474795APublication Date: 1923-11-20
- Inventor: SHEPHERD FRANK D
- Applicant: SHEPHERD FRANK D
- Assignee: Frank D Shepherd
- Current Assignee: Frank D Shepherd
- Priority: US35235920 1920-01-19
- Main IPC: F01L1/16
- IPC: F01L1/16
Information query
IPC分类: