DIFF Subgroup
C22C 21/18 with zinc
Introduced: July 1974
Full Title
Alloys based on aluminium > with copper as the next major constituent > with zinc
No child classifications to compare. This is a leaf node in both IPC and CPC.
C22C 21/18 Introduced: July 1974
Alloys based on aluminium > with copper as the next major constituent > with zinc
No child classifications to compare. This is a leaf node in both IPC and CPC.