DIFF Subgroup
F22B 27/16 involving spray nozzles for sprinkling or injecting water particles on to or into hot heat-exchange elements, e.g. into tubes
Introduced: September 1968
Full Title
Instantaneous or flash steam boilers > involving spray nozzles for sprinkling or injecting water particles on to or into hot heat-exchange elements, e.g. into tubes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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