DIFF Subgroup
F23C 1/04 lump and gaseous fuel
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in air > lump and gaseous fuel
CPC:
Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in air (combustion apparatus characterized by the combination of two or more combustion chambers F23C6/00; pilot flame igniters F23Q9/00) > lump and gaseous fuel
No child classifications to compare. This is a leaf node in both IPC and CPC.