Patents December 2012
more patents: see german part
1. Roof structure, fixture for solar cell module, and method for installing solar cell module
2. Ceramic composition with frost resistance and process for preparing therof
3. Roof tile
4. Methods of preparing red clay processed material and alkali ionized water
5. Insulation brick
6. Set of transition tiles for framing a roof element in a roof cladding
7. Attachment device for a solar tile