DIFF Main Group
H02K 16/00 Machines with more than one rotor or stator
Introduced: July 1974
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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- H02K 16/02 Machines with one stator and two rotors since 1974 +1 CPC IPC+CPC Available in IPC and CPC