CPC Subgroup Additional Only
F02G 2244/50 Double acting piston machines
Full Title
Machines having two pistons > Double acting piston machines
2 direct subcodes
Child Classifications
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- F02G 2244/52 having interconnecting adjacent cylinders constituting a single system, e.g. "Rinia" engines
- F02G 2244/54 having two-cylinder twin systems, with compression in one cylinder and expansion in the other cylinder for each of the twin systems, e.g. "Finkelstein" engines