Device for protecting against freezing of solar collector
IL89554A0Inactive Publication Date: 1989-09-10AMOS PERL +2
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Patent Information
- Application Number
- IL89554
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1989-03-09
- Publication Date
- 1989-09-10
- Estimated Expiration
- Not applicable · inactive patent
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