IPC Definitions - January 01, 2012
F23B 90/04 - Definition
References relevant to classification in this group
This group does not cover:
Combustion apparatus including separate secondary combustion chambers | F23B 10/02 |
Attention is drawn to the following places, which may be of interest for search:
Waste or low grade fuel incinerators with secondary combustion | F23G 5/14 |
Combustion methods or apparatus adapted for combustion of waste gases or noxious gases, e.g. exhaust gases | F23G 7/06 |
Supplying secondary air | F23L 9/00 |