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

Do Yong Ha

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Control method of an air conditioner indoor unit

Refrigeration – Automatic control – Diverse – cascade or compound refrigeration-producing system
Reexamination Certificate

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Method for controlling multi-type air conditioner

Refrigeration – Automatic control – Selective heating or cooling
Reexamination Certificate

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Multi-unit air conditioner and method for controlling the same

Refrigeration – Automatic control – Refrigeration producer
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2999558

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