Heating fireppace and heat exchanger for a heating fireplace
IL63307A0Inactive Publication Date: 1981-10-30BURGER HANS G
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Patent Information
- Application Number
- IL63307
- Authority / Receiving Office
- IL · IL
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 1981-02-23
- Filing Date
- 1981-07-15
- Publication Date
- 1981-10-30
- Estimated Expiration
- Not applicable · inactive patent
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