Invention Grant
- Patent Title: Balanced system of control
- Patent Title (中): 平衡系统的控制
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Application No.: US57574422Application Date: 1922-07-17
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Publication No.: US1585170APublication Date: 1926-05-18
- Inventor: ERICH ROUCKA
- Applicant: ERICH ROUCKA
- Assignee: Roucka Erich
- Current Assignee: Roucka Erich
- Priority: US57574422 1922-07-17
- Main IPC: G05B6/05
- IPC: G05B6/05
Information query
