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PCE
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CPC Subgroup
F01B 7/04

acting on same main shaft

Full Title

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (in opposite arrangement relative to main shaft F01B1/08) > with oppositely reciprocating pistons > acting on same main shaft

2 direct subcodes

Child Classifications

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  • F01B 7/12 using rockers and connecting-rods