Invention Grant
- Patent Title: Helicopter engine
- Patent Title (中): 直升机发动机
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Application No.: US53428055Application Date: 1955-09-14
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Publication No.: US2962100APublication Date: 1960-11-29
- Inventor: BERNHARDT STAHMER
- Applicant: BERNHARDT STAHMER
- Assignee: Stahmer Bernhardt
- Current Assignee: Stahmer Bernhardt
- Priority: US53428055 1955-09-14
- Main IPC: B64C27/14
- IPC: B64C27/14
Information query
