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IPC Subgroup
F22B 33/02

Combinations of boilers having a single combustion apparatus in common

Introduced: September 1968

Last revised: January 2006

Full Title

Steam-generation plants, e.g. comprising steam boilers of different types in mutual association > Combinations of boilers having a single combustion apparatus in common

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
STEAM GENERATION
Subclass:
METHODS OF STEAM GENERATION; STEAM BOILERS

4 direct subcodes

Child Classifications

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  • F22B 33/04 of boilers of furnace-tube type with boilers of water-tube type
  • F22B 33/06 of boilers of furnace-tube type with boilers of fire-tube type
  • F22B 33/08 of boilers of water-tube type with boilers of fire-tube type
  • F22B 33/1 of two or more superposed boilers with separate water volumes and operating with two or more separate water levels