DIFF Subgroup
B27K 3/18 Compounds of alkaline earth metals
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Impregnating wood, e.g. for protection > Inorganic impregnating agents > Compounds of alkaline earth metals
CPC:
Impregnating wood, (dyeing, staining B27K5/00) > Inorganic impregnating agents > Compounds of alkaline earth metals
No child classifications to compare. This is a leaf node in both IPC and CPC.