DIFF Subgroup
B21K 23/04 flanged articles (B21K1/28 takes precedence; flanging tubes B21D)
Introduced: September 1968
Title
Titles differ between systems:
IPC: flanged articles
CPC: flanged articles (B21K1/28 takes precedence; flanging tubes B21D)
Full Title
Full titles differ between systems:
IPC:
Making other articles > flanged articles
CPC:
Making other articles > flanged articles (B21K1/28 takes precedence; flanging tubes B21D)
No child classifications to compare. This is a leaf node in both IPC and CPC.