4. Electric heating
  5. Metal heating
  6. By arc

Toshimitsu Doi

Inventor

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Arc-machining power supply with switching loss reducing element

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

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Arc-machining power supply with switching loss reducing element

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reissue Patent

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MAG arc welding apparatus

Electric heating – Metal heating – By arc
Patent

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Method of MAG arc welding

Electric heating – Metal heating – By arc
Patent

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Method of MAG arc welding and welding apparatus

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-391290

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