CPC Subgroup
C04B 22/165 Full Title
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Acids or salts thereof > containing phosphorus in the anion, e.g. phosphates
C04B 22/165 Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Acids or salts thereof > containing phosphorus in the anion, e.g. phosphates