Matti Ettala

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of oxidable gas generated from waste at a dumping area
- Patent number 6,644,890
- Issue date Nov 11, 2003
- Matti Ettala Oy
- Matti Ettala
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL