Invention Grant
- Patent Title: Quartz mercury-vapor lamp
- Patent Title (中): 石英汞蒸汽灯
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Application No.: US28933019Application Date: 1919-04-11
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Publication No.: US1361710APublication Date: 1920-12-07
- Inventor: HENRI GEORGE
- Applicant: HENRI GEORGE
- Assignee: George Henri
- Current Assignee: George Henri
- Priority: US28933019 1919-04-11
- Main IPC: H01J61/72
- IPC: H01J61/72
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