DIFF Subgroup
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
Introduced: September 1968
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 > arranged one within another, e.g. with a roller disposed within a rotating ring and co-operating with the inner surface thereof
No child classifications to compare. This is a leaf node in both IPC and CPC.