DIFF Subgroup
C22B 19/28 from muffle furnace residues
Introduced: September 1968
Full Title
Obtaining zinc or zinc oxide > from muffle furnace residues
No child classifications to compare. This is a leaf node in both IPC and CPC.
C22B 19/28 Introduced: September 1968
Obtaining zinc or zinc oxide > from muffle furnace residues
No child classifications to compare. This is a leaf node in both IPC and CPC.