B28B 3/18
Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with
Official title: Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
B28B3/18 (Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with) appears on 0 US grants and 0 published applications in this corpus.
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