CPC Subgroup
C21D 8/1216 characterised by the working steps
Full Title
Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment (hardening articles or materials formed by forging or rolling with no further heating beyond that required for the formation C21D1/02) > during manufacturing of articles with special electromagnetic properties > characterised by the working steps
4 direct subcodes
Child Classifications
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