4. Metal working
  5. Means to assemble or disassemble
  6. Heat exchanger

Sang-Yeol Lee

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Method of forming p-n junction on ZnO thin film and p-n...

Active solid-state devices (e.g. – transistors – solid-state diode – Semiconductor is an oxide of a metal or copper sulfide
Reexamination Certificate

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Production line of air conditioner

Metal working – Means to assemble or disassemble – Heat exchanger
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2479555

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