DIFF Subgroup
F22G 1/16 by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
Introduced: September 1968
Full Title
Steam superheating characterised by heating method > by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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