Stephan Hundertmark

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Lohmar, DE

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Patents Grantslast 30 patents

Information Patent Grant
Compound friction vacuum pump
- Patent number 6,890,146
- Issue date May 10, 2005
- Leybold Vakuum GmbH
- Roland Blumenthal
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...