DIFF Subgroup
C04B 38/106 Full Title
Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 ) > by using foaming agents (C04B38/02 takes precedence)
C04B 38/106 Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (treating slag with gases or gas generating material C04B5/06 ) > by using foaming agents (C04B38/02 takes precedence)