Invention Grant
- Patent Title: Single automatic slot record player
- Patent Title (中): 单自动插槽录音机
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Application No.: US45355554Application Date: 1954-09-01
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Publication No.: US2927794APublication Date: 1960-03-08
- Inventor: CARSON BENJAMIN R
- Applicant: RCA CORP
- Assignee: RCA Corp
- Current Assignee: RCA Corp
- Priority: US45355554 1954-09-01
Information query
