Sebastian Speth

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Oberhausen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Purification of waste water containing organic and inorganic impuri...
- Patent number 3,953,332
- Issue date Apr 27, 1976
- Ruhrchemie Aktiengesellschaft
- Sebastian Speth
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE