SEIEFFE S.R.L

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BONEA, IT

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Patents Grantslast 30 patents

Information Patent Grant
System for the production of composite material slabs
- Patent number 7,322,815
- Issue date Jan 29, 2008
- Seieffe, S.R.L.
- Antonio Izzo
- B28 - WORKING CEMENT, CLAY, OR STONE