DIFF Subgroup
C22B 21/04 with alkali metals
Introduced: September 1968
Full Title
Obtaining aluminium > with alkali metals
No child classifications to compare. This is a leaf node in both IPC and CPC.
C22B 21/04 Introduced: September 1968
Obtaining aluminium > with alkali metals
No child classifications to compare. This is a leaf node in both IPC and CPC.