DIFF Subgroup
C05D 1/04 from minerals or volcanic rocks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Fertilisers containing potassium > from minerals or volcanic rocks
CPC:
Fertilisers containing potassium (C05D7/00 takes precedence) > from minerals or volcanic rocks
No child classifications to compare. This is a leaf node in both IPC and CPC.