Patent classifications
C
CHEMISTRY; METALLURGY
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C21
METALLURGY OF IRON
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C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
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9/00
Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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C21D9/0006
Details, accessories not peculiar to any of the following furnaces
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C21D9/0025
Supports; Baskets; Containers; Covers
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