Eckhard Zwirner

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Nufringen, DT

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 4,017,062
- Issue date Apr 12, 1977
- Stumpp & Schule KG
- Eckhard Zwirner
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES