Patents November 2013

more patents: see german part

1. Raw material mixture for production of silicate brick

2. Thermo-insulating mass

3. Ceramic mass for production of bricks

4. Engobe

5. Ceramic mass of light colour for facing brick

6. Engobe

7. Roof tile, arrangement comprising roof tiles, and method for production a roof tile

8. Building brick filled with a porous sand-lime material

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