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PCE
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CPC Subgroup
F16M 1/022

of tunnel type, i.e. wherein the crankshaft can only be introduced axially (for engines or machines with star-shaped cylinder arrangement F16M1/023)

Full Title

Frames or casings of engines, machines or apparatus; Frames serving as machinery beds > for reciprocating engines or similar machines > for housing crankshafts > of tunnel type, i.e. wherein the crankshaft can only be introduced axially (for engines or machines with star-shaped cylinder arrangement F16M1/023)