CPC Subgroup
F01L 25/06 Arrangements with main and auxiliary valves, at least one of them being fluid-driven
Full Title
Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means > by fluid means > by working-fluid of machine or engine, e.g. free-piston machine > Arrangements with main and auxiliary valves, at least one of them being fluid-driven
2 direct subcodes
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