IPC Definitions - January 01, 2012

F22B - Definition fr

Informative references

Attention is drawn to the following places, which may be of interest for search:

Chemical or physical apparatus for generating gases

B01J

Generating combustion products of high pressure or high velocity

F23R

Water heaters not for steam generation

F24H, F28

Cleaning of internal or external surfaces of heat-transfer conduits, e.g. water tubes of boilers

F28G