Roman Menzel

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Lingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for removal of nitrate from surface and groun...
- Patent number 4,756,831
- Issue date Jul 12, 1988
- Noell GmbH
- Roman Menzel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE