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PCE
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DIFF Subgroup
C21D 1/767

with forced gas circulation; Reheating thereof

Introduced: January 1980

Full Title

General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering > Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material > with forced gas circulation; Reheating thereof

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