CPC Subgroup
B22D 41/46 Refractory plugging masses
Full Title
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
1 direct subcode
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