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PCE
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DIFF Subgroup
F03D 3/02

having a plurality of rotors

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor > having a plurality of rotors

CPC:

Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor (controlling thereof F03D7/06) > having a plurality of rotors

No child classifications to compare. This is a leaf node in both IPC and CPC.