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Process for the Production of Low Carbon Silicon

Process for Refining Silicon and Silicon Purified Thereby

Materials Resistant to Metal and Salt Melts, Their Production and Their Use

Continuous Process for Refining Silicon

Process for the Melting and Directional Solidification of Metals

Silicon for Solar Cells, a Process for the Preparation Thereof, and the Use Thereof

Process for the Production of Polycrystalline Silicon Mouldings Substantially Free of Edge Regions and the Use of These Mouldings

Directionally Solidified, Multicrystalline Silicon, a Process for the Production Thereof and Its Use, and Solar Cells Containing This Silicon and a Process for the Production Thereof