Invention Grant
- Patent Title: Tone arm and support therefor
- Patent Title (中): 音调手臂和支持
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Application No.: US61526045Application Date: 1945-09-10
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Publication No.: US2541430APublication Date: 1951-02-13
- Inventor: MOLTON HOWARD R
- Applicant: RAYTHEON MFG CO
- Assignee: Raytheon Mfg Co
- Current Assignee: Raytheon Mfg Co
- Priority: US61526045 1945-09-10
- Main IPC: G11B3/02
- IPC: G11B3/02
Information query
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