DIFF Subgroup
C01F 7/444 Apparatus therefor
Introduced: January 2022
Full Title
Compounds of aluminium > Aluminium oxide; Aluminium hydroxide; Aluminates > Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water > by calcination > Apparatus therefor
No child classifications to compare. This is a leaf node in both IPC and CPC.