Jan Baumann

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Patents Grantslast 30 patents

Information Patent Grant
Axial flow fan with adjustable blades
- Patent number 4,049,363
- Issue date Sep 20, 1977
- Gea Luftkuhlergesellschaft Happel GmbH & Co. KG
- Jan Baumann
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...