DIFF Subgroup
B23K 1/18 circumferential seams, e.g. of shells
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Soldering, e.g. brazing, or unsoldering > specially adapted for soldering seams > circumferential seams, e.g. of shells
CPC:
Soldering, e.g. brazing, or unsoldering (B23K3/00 takes precedence) > specially adapted for soldering seams > circumferential seams, e.g. of shells
No child classifications to compare. This is a leaf node in both IPC and CPC.