DIFF Subgroup
F23N 3/08 by power-assisted systems
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Regulating air supply or draught > by power-assisted systems
CPC:
Regulating air supply or draught (conjointly with fuel supply F23N1/00) > by power-assisted systems
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open