Invention Grant
- Patent Title: Electric mixed light lamp with mercury pressure discharge for alternating current circuits
- Patent Title (中): 用于交流电路的汞压放电电混合灯
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Application No.: US25414639Application Date: 1939-02-02
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Publication No.: US2247198APublication Date: 1941-06-24
- Inventor: HERMANN KREFFT , KURT LARCHE , HERMANN KUMMER
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: DE2247198X 1938-02-04
- Main IPC: H05B41/232
- IPC: H05B41/232
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