FI (Note)/(Index) list

Descriptions for F23H and notes/indexes are displayed on this screen.

F23H GRATES (inlets for fluidisation air for fluidised bed combustion apparatus F23C 10/20); CLEANING OR RAKING GRATES

Subclass indexes

GRATES

With solid bars; with hollow bars

1/00; 3/00

Double; inclined; revolving or rocking; travelling

5/00; 7/00; 9/00; 11/00

Other types

13/00

Details

17/00

CLEANING ARRANGEMENTS FOR GRATES, MOVING FUEL ALONG GRATE

15/00