4. Electric power conversion systems
  5. Current conversion
  6. Including d.c.-a.c.-d.c. converter

Chien-Hung Cheng

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Pulse-width-modulated signal to direct-current voltage...

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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System and method for automatically recording position...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
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Profile ID: LFUS-PAI-P-3000032

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