CPC Subgroup
B22D 41/18 Stopper-rods therefor
Full Title
Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like (B22D39/00, B22D43/00 take precedence) > Closures > stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening > Stopper-rods therefor
2 direct subcodes
Child Classifications
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