DIFF Subgroup
B22F 9/14 using electric discharge
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor > using physical processes > using electric discharge
CPC:
Making metallic powder or suspensions thereof > using physical processes > using electric discharge
No child classifications to compare. This is a leaf node in both IPC and CPC.