An automatic check valve for solar water heating systems
IL55319A0Inactive Publication Date: 1978-10-31TECHNION RES & DEV FOUND LTD
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Patent Information
- Application Number
- IL55319
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 1978-08-09
- Publication Date
- 1978-10-31
- Estimated Expiration
- Not applicable · inactive patent
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