Invention Grant
- Patent Title: Camera for duplicating record cards
- Patent Title (中): 用于复制记录卡的相机
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Application No.: US68881033Application Date: 1933-09-09
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Publication No.: US2042005APublication Date: 1936-05-26
- Inventor: HUTCHINGS LE ROI E
- Applicant: REMINGTON RAND INC
- Assignee: Remington Rand Inc
- Current Assignee: Remington Rand Inc
- Priority: US68881033 1933-09-09
- Main IPC: G03B27/32
- IPC: G03B27/32
Information query
