Paavo Lahtinen

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Means for automatic closing and opening of the air intake duct of a...
- Patent number 4,244,685
- Issue date Jan 13, 1981
- Nortti-Tuote Oy
- Paavo Lahtinen
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES