DIFF Subgroup
F04C 25/02 for producing high vacuum (sealing arrangements F04C27/00; silencing F04C29/06)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for producing high vacuum
CPC: for producing high vacuum (sealing arrangements F04C27/00; silencing F04C29/06)
Full Title
Full titles differ between systems:
IPC:
Adaptations for special use of pumps for elastic fluids > for producing high vacuum
CPC:
Adaptations of pumps for special use of pumps for elastic fluids > for producing high vacuum (sealing arrangements F04C27/00; silencing F04C29/06)
No child classifications to compare. This is a leaf node in both IPC and CPC.