ClassID:

119125

C21D9/67 - CPC Classification

Classification description:

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length; Furnaces for treating strips or wire; Bell-type furnaces; Multi-station furnaces adapted for treating the charge in vacuum or special atmosphere

Recent Application in this class: