DIFF Subgroup
B22D 41/46 Refractory plugging masses
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like > Closures > Consumable closure means, i.e. closure means being used only once > Refractory plugging masses
CPC:
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) > Closures > Consumable closure means, i.e. closure means being used only once > Refractory plugging masses
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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