Hans Durolf

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Mainz, DE

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Patents Grantslast 30 patents

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Porous inorganic support spheres which can be cleaned of surface bi...
- Patent number 4,987,068
- Issue date Jan 22, 1991
- Schott Glaswerke
- Walter Trosch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE