CPC Subgroup
C10C 3/16 by direct contact with liquids
Full Title
Working-up pitch, asphalt, bitumen > Solidifying, Disintegrating, e.g. granulating > by direct contact with liquids
C10C 3/16 Working-up pitch, asphalt, bitumen > Solidifying, Disintegrating, e.g. granulating > by direct contact with liquids