ROTEC Rohstoff-Technik GmbH & Co. Kg
ROTEC Rohstoff-Technik GmbH & Co. Kg Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20140370294 | GRANULAR PUMICE AND METHOD FOR PRODUCING GRANULAR PUMICE - The invention relates to granular pumice, wherein the surface is covered with a hydrophobic coating. | 12-18-2014 |