Bernardus H. Kok

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Za Lutten, NL

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Patents Grantslast 30 patents

Information Patent Grant
Device and a method for recovering heat from the soil
- Patent number 4,452,303
- Issue date Jun 5, 1984
- Wavin B.V.
- Theodorus P. M. Bontje
- F24 - HEATING RANGES VENTILATING