(under subclass 160) Systems wherein at least two of the sources of supply are pulsating and/or alternating current sources, the current sources being of a diverse type with respect to each other.
(1) Note. The types of current supplies which are considered to be diverse types are defined in note (2) to the definition of subclass 160 of this class.
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246, and indented subclasses, for other systems wherein the load device is connected to a source of alternating current supply.
