DIFF Subgroup
B22C 15/26 involving propulsion devices in which the mould material is supplied in the shape of a compacted column or the like
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulding machines for making moulds or cores, characterised by the compacting mechanism; Accessories therefor > Compacting by gas pressure or vacuum > involving propulsion devices in which the mould material is supplied in the shape of a compacted column or the like
CPC:
Moulding machines characterised by the compacting mechanism; Accessories therefor > Compacting by gas pressure or vacuum > involving propulsion devices in which the mould material is supplied in the shape of a compacted column or the like
No child classifications to compare. This is a leaf node in both IPC and CPC.