CPC Subgroup
F04B 49/12 by varying the length of stroke of the working members
Full Title
Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 > by varying the length of stroke of the working members
3 direct subcodes
Child Classifications
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- F04B 49/14 Adjusting abutments located in the path of reciprocation