Birger Larkfeldt

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Odensjo-Barnarp, SW

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Patents Grantslast 30 patents

Information Patent Grant
Air jet nozzle and system
- Patent number 3,987,713
- Issue date Oct 26, 1976
- Aktiebolaget Svenska Flaktfabriken
- Birger Larkfeldt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Device for preferably cooling a room by a ventilation air stream
- Patent number 3,946,647
- Issue date Mar 30, 1976
- Aktiebolaget Svenska Flaktfabriken
- Birger Larkfeldt
- F24 - HEATING RANGES VENTILATING