CPC Main Group
B22D 39/00 Equipment for supplying molten metal in rations
4 direct subcodes
Child Classifications
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- B22D 39/02 having means for controlling the amount of molten metal by volume
- B22D 39/04 having means for controlling the amount of molten metal by weight
- B22D 39/06 having means for controlling the amount of molten metal by controlling the pressure above the molten metal