Invention Grant
- Patent Title: Tone arm mounting for record players
- Patent Title (中): 音色手臂安装
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Application No.: US25835363Application Date: 1963-02-13
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Publication No.: US3227459APublication Date: 1966-01-04
- Inventor: HAINES DONALD G
- Applicant: HAINES DONALD G
- Assignee: Donald G Haines
- Current Assignee: Donald G Haines
- Priority: US25835363 1963-02-13
- Main IPC: G11B3/20
- IPC: G11B3/20
Information query
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