Kari Kakkonen

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Kuusankoski, FI

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Patents Grantslast 30 patents

Information Patent Grant
Procedure and means for controlling volumetric flow rate in air-con...
- Patent number 4,934,397
- Issue date Jun 19, 1990
- Halton Oy
- Mertsi Niemela
- F24 - HEATING RANGES VENTILATING