DIFF Subgroup
C21D 9/68 Furnace coilers; Hot coilers (cold coilers B21C47/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Furnace coilers; Hot coilers
CPC: Furnace coilers; Hot coilers (cold coilers B21C47/00)
Full Title
Full titles differ between systems:
IPC:
Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor > for wires; for strips > Furnaces for treating strips or wire > Furnace coilers; Hot coilers
CPC:
Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor > for wires; for strips > Furnaces for treating strips or wire > Furnace coilers; Hot coilers (cold coilers B21C47/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.