Dietmar Ahrens

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Aschendorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for cleaning up wastewaters from the hock process
- Patent number 6,299,783
- Issue date Oct 9, 2001
- Phenolchemie GmbH & Co. KG
- Otto Gerlich
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE