DIFF Subgroup
B28B 7/44 for treating with gases or degassing, e.g. for de-aerating
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Moulds; Cores; Mandrels > characterised by means for modifying the properties of the moulding material > for treating with gases or degassing, e.g. for de-aerating
CPC:
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > characterised by means for modifying the properties of the moulding material > for treating with gases or degassing, e.g. for de-aerating
No child classifications to compare. This is a leaf node in both IPC and CPC.