Invention Grant
- Patent Title: Electric flash-light.
- Patent Title (中): 电动闪光灯
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Application No.: US1911647257Application Date: 1911-09-01
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Publication No.: US1042623APublication Date: 1912-10-29
- Inventor: WAGNER JOSEPH F
- Applicant: ARNOLD WAGNER ELECTRIC CO
- Assignee: Arnold Wagner Electric Co
- Current Assignee: Arnold Wagner Electric Co
- Priority: US1911647257 1911-09-01
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