Air Frohlich AG fur Energie-Ruckgewinnung

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Teufen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Tubular heat exchanger and process for its manufacture
- Patent number 4,117,884
- Issue date Oct 3, 1978
- Air Frohlich AG fur Energie-Ruckgewinnung
- Willi Frei
- F28 - HEAT EXCHANGE IN GENERAL