Gerhard Kurzhals

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Duisburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ceiling air outlet for climate control system
- Patent number 4,259,898
- Issue date Apr 7, 1981
- Gebruder Trox, Gesellschaft mit beschrankter Haftung
- Wolfgang Finkelstein
- F24 - HEATING RANGES VENTILATING