Sigurd Schlegel

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Moers, DE

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Patents Grantslast 30 patents

Information Patent Grant
Biological waste water purification process and device
- Patent number 6,280,624
- Issue date Aug 28, 2001
- Messer Griesheim GmbH
- Monica Hermans
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE