Invention Grant
- Patent Title: Electric spark-gap.
- Patent Title (中): 电火花
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Application No.: US1075075DApplication Date:
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Publication No.: US1075075APublication Date: 1913-10-07
- Inventor: WAPPLER REINHOLD H
- Applicant: WAPPLER ELECTRIC MFG COMPANY
- Assignee: Wappler Electric Mfg Company
- Current Assignee: Wappler Electric Mfg Company
- Priority: US1075075T null
Information query
