DIFF Subgroup
F02K 1/822 Full Title
Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto (rocket nozzles F02K9/97) > Other construction of jet pipes > Jet pipe walls, e.g. liners
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.