Invention Grant
- Patent Title: Duplicating apparatus
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Application No.: US32316440Application Date: 1940-03-09
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Publication No.: US2268045APublication Date: 1941-12-30
- Inventor: ALFRED MARCHEV
- Applicant: DITTO INC
- Assignee: Ditto Inc
- Current Assignee: Ditto Inc
- Priority: US32316440 1940-03-09
- Main IPC: B41L11/08
- IPC: B41L11/08
Information query
