CPC Subgroup
B27K 3/20 Compounds of alkali metals or ammonium
Full Title
Impregnating wood, (dyeing, staining B27K5/00) > Inorganic impregnating agents > Compounds of alkali metals or ammonium
B27K 3/20 Impregnating wood, (dyeing, staining B27K5/00) > Inorganic impregnating agents > Compounds of alkali metals or ammonium