Jari Vahapesola

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Muurame, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for heating a roll and a heatable roll
- Patent number 5,549,154
- Issue date Aug 27, 1996
- Valmet Corporation
- Juhani Niskanen
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for heating a roll and a heatable roll
- Patent number 5,404,936
- Issue date Apr 11, 1995
- Valmet Paper Machinery Inc.
- Juhani Niskanen
- F28 - HEAT EXCHANGE IN GENERAL