F23L

Watch

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Description

AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS (air-supply arrangements for combustion apparatus using fluent fuel, e.g. fluidised bed combustion apparatus, F23C; dampers or throat restrictors for open fire-places F24; air inlet valves for open fire fronts F24)

Subclasses

Not Available
Subclass Title
1/00 Passages or apertures for delivering primary air for combustion
1/02 Passages or apertures for delivering primary air for combustion by discharging the air below the fire
3/00 Arrangements of valves or dampers before the fire
5/00 Blast-producing apparatus before the fire
5/02 Blast-producing apparatus before the fire Arrangements of fans or blowers (fans or blowers per seF04)

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