Self-sealing valve for vacuum tubes made of glass
IL62739A0Inactive Publication Date: 1981-06-29MORDECHAI ATZMON
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Patent Information
- Application Number
- IL62739
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1981-04-28
- Publication Date
- 1981-06-29
- Estimated Expiration
- Not applicable · inactive patent
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