Invention Grant
- Patent Title: Duplicator
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Application No.: US48654021Application Date: 1921-07-21
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Publication No.: US1492688APublication Date: 1924-05-06
- Inventor: OSCAR HIDALGO
- Applicant: OSCAR HIDALGO
- Assignee: Hidalgo Oscar
- Current Assignee: Hidalgo Oscar
- Priority: US48654021 1921-07-21
- Main IPC: B41L19/00
- IPC: B41L19/00
Information query
