CPC Subgroup
C04B 33/22 Grog products
Full Title
Clay-wares (monolithic refractories or refractory mortars C04B35/66; porous products C04B38/00) > Grog products
C04B 33/22 Clay-wares (monolithic refractories or refractory mortars C04B35/66; porous products C04B38/00) > Grog products