Invention Grant
- Patent Title: Adjustable winding spindle for spring motors
- Patent Title (中): 弹簧电机可调卷轴
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Application No.: US26483728Application Date: 1928-03-26
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Publication No.: US1763792APublication Date: 1930-06-17
- Inventor: EMIL KNECHT
- Applicant: DUAL MOTORS LTD
- Assignee: Dual Motors Ltd
- Current Assignee: Dual Motors Ltd
- Priority: DE1763792X 1928-01-24
- Main IPC: F03G1/08
- IPC: F03G1/08
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