Invention Grant
- Patent Title: Mercury-vapor lamp.
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Application No.: US1905343437Application Date: 1905-04-25
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Publication No.: US838280APublication Date: 1906-12-11
- Inventor: SIIM-JENSEN HANS VIGGO
- Applicant: SIIM-JENSEN HANS VIGGO
- Assignee: Hans Viggo Siim-Jensen
- Current Assignee: Hans Viggo Siim-Jensen
- Priority: US1905343437 1905-04-25
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