CPC Subgroup
F23C 5/14 to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F23C5/32 takes precedence)
Full Title
Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus (F23C1/00, F23C15/00 take precedence) > Disposition of burners > to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F23C5/32 takes precedence)