Leif Karlberg

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Alta, SE

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Patents Grantslast 30 patents

Information Patent Grant
Motor with spring elements formed on valve assembly
- Patent number 5,203,251
- Issue date Apr 20, 1993
- Alentec Orion Aktiebolag
- Leif Karlberg
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES