Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F22B 31/08

Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion

Introduced: September 1968

Full Title

Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus > Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion

No child classifications to compare. This is a leaf node in both IPC and CPC.