DIFF Subgroup
B22D 41/52 Manufacturing or repairing thereof
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like > Pouring-nozzles > Manufacturing or repairing thereof
CPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) > Pouring-nozzles > Manufacturing or repairing thereof
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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