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DIFF Subgroup
C21D 1/32

Soft annealing, e.g. spheroidising

Introduced: September 1968

Full Title

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering > Methods of annealing > Soft annealing, e.g. spheroidising

No child classifications to compare. This is a leaf node in both IPC and CPC.