(under subclass 161) Systems wherein at least two sources of current supply are of diverse types.
(1) Note. The types of current supplies which are considered to be diverse types are defined in the notes to the definition of subclass 160 of this class.
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162, for this subject matter where there are a plurality of diverse type load devices in the system.
175, and indented subclasses, and the subclasses specified in the notes to the definitions thereof, for other systems wherein at least two of the sources of current supply are of diverse types.