DIFF Subgroup
F02B 37/001 Full Title
Engines characterised by provision of pumps driven at least for part of the time by exhaust
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
F02B 37/001 Engines characterised by provision of pumps driven at least for part of the time by exhaust
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.