Frederic Jeziorowski

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Valence, FR

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Patents Grantslast 30 patents

Information Patent Grant
Method for monitoring oil flow in an oil-lubricated vacuum pump
- Patent number 4,895,220
- Issue date Jan 23, 1990
- Leybold Aktiengesellschaft
- Jean-Luc Abraham
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...