DIFF Subgroup
F23Q 11/04 at the burner
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Arrangement of catalytic igniters > at the burner
CPC:
Arrangement of catalytic igniters (catalytic igniters per se C06C) > at the burner
No child classifications to compare. This is a leaf node in both IPC and CPC.