DIFF Subgroup
B21L 1/02 by bending the ends of the workpieces to abut
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape > by bending the ends of the workpieces to abut
CPC:
Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape (B21L3/00, B21L7/00 take precedence) > by bending the ends of the workpieces to abut
No child classifications to compare. This is a leaf node in both IPC and CPC.