Invention Grant
- Patent Title: Motion picture apparatus
- Patent Title (中): 电影机
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Application No.: US48140330Application Date: 1930-09-12
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Publication No.: US1852743APublication Date: 1932-04-05
- Inventor: ELMER LLOYD A
- Applicant: BELL TELEPHONE LABOR INC
- Assignee: Nokia Bell Labs
- Current Assignee: Nokia Bell Labs
- Priority: US48140330 1930-09-12
- Main IPC: G11B7/00
- IPC: G11B7/00
Information query
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