Ali-Pekka Toivola

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FIN-00950 Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a building material form a mixture of unscreen...
- Patent number 5,676,895
- Issue date Oct 14, 1997
- Matti Toivola
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES