| 发明名称 |
METHODS FOR MANUFACTURING CERAMIC CHARCOAL CAPABLE OF BEING BURNT WELL FOR A LONG TIME AND CERAMIC OVAL BRIQUETTE USING COAL POWDER, CHAFF CHARCOAL POWDER, QUARTZ PORPHYRY POWDER, TOURMALINE POWDER, QUICKLIME POWDER, GRAIN GLUE, OAK CHARCOAL, TIRE CARBON AND SILICA |
