DIFF Subgroup
C22C 27/04 Alloys based on tungsten or molybdenum
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Alloys based on rhenium or a refractory metal not mentioned in groups or > Alloys based on tungsten or molybdenum
CPC:
Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00 > Alloys based on tungsten or molybdenum
No child classifications to compare. This is a leaf node in both IPC and CPC.