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Class Information
Number: 315/138
Name: Electric lamp and discharge devices: systems > Polyphase a.c. supply > M phase to n phase (e.g., phase splitters)
Description: Systems provided with (1) a source of single phase alternating current and means to convert the single phase current to polyphase alternating currents, or (2) a source of polyphase alternating currents and means to convert the polyphase currents to either single phase currents or polyphase alternating currents of a different number of phases.










Sub-classes under this class:

Class Number Class Name Patents
315/139 Polyphase supply circuit 2


Patents under this class:

Patent Number Title Of Patent Date Issued
5657117 Device for examining optical waveguides Aug. 12, 1997











 
 
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