System for control of protective mask of a welding helmet
IL104597A0Inactive Publication Date: 1993-07-08YEHUDA OHANA
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Patent Information
- Application Number
- IL104597
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1993-02-03
- Publication Date
- 1993-07-08
- Estimated Expiration
- Not applicable · inactive patent
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