CPC Subgroup
B30B 3/04 co-operating with one another, e.g. with co-operating cones
Full Title
Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs > co-operating with one another, e.g. with co-operating cones
2 direct subcodes
Child Classifications
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- B30B 3/06 arranged one within another, e.g. with a roller disposed within a rotating ring and co-operating with the inner surface thereof