Voest-Alpine Aktiengesellschaaft

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Patents Grantslast 30 patents

Information Patent Grant
Process for the disposal of settled sludge derived from a biologica...
- Patent number 4,673,510
- Issue date Jun 16, 1987
- Voest-Alpine Aktiengesellschaaft
- Alois Janusch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE