Invention Grant
- Patent Title: Record reading apparatus
- Patent Title (中): 记录阅读器
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Application No.: US16699762Application Date: 1962-01-18
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Publication No.: US3201571APublication Date: 1965-08-17
- Inventor: LEON GRYK
- Applicant: ROYAL MCBEE CORP
- Assignee: Royal Mcbee Corp
- Current Assignee: Royal Mcbee Corp
- Priority: US16699762 1962-01-18
Public/Granted literature
- US10884541B2 Display panel and display device Public/Granted day:2021-01-05
Information query
