Helmut Goetz

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Regensdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Ventilation system for a liquid-filled basin
- Patent number 5,160,460
- Issue date Nov 3, 1992
- Metz Mannheim GmbH
- Helmut Goetz
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE