4. Refrigeration
  5. Automatic control
  6. Selective heating or cooling

Toshio Otaka

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Air conditioner

Refrigeration – Automatic control – Selective heating or cooling
Patent

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Rolling-piston expander apparatus

Pumps – With condition responsive pumped fluid control – Pressure responsive relief or bypass valve
Patent

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Profile ID: LFUS-PAI-P-1233152

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