4. Electric power conversion systems
  5. Phase conversion without intermediate conversion to d.c.
  6. By dynamoelectric machine converter

Gregory W. Keck

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Combined power supply for main and stand-by power

Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – By dynamoelectric machine converter
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Non-symmetrical light stop

Optical: systems and elements – Lens – With field curvature shaping
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1900318

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