Hans Haverkamp

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Oerlinghausen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for emptying a liquid-collection tank in a water-conducting...
- Patent number 4,964,783
- Issue date Oct 23, 1990
- Hanning Electro-Werke GmbH & Co.
- Hans Haverkamp
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...