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DIFF Subgroup
C21D 1/55

Hardenability tests, e.g. end-quench tests

Introduced: January 1980

Full Title

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering > Hardenability tests, e.g. end-quench tests

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