4. Chemistry of inorganic compounds
  5. Carbon or compound thereof
  6. Elemental carbon

Seong Ho Yoon

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Multi-band antenna unit of mobile terminal

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention
Reexamination Certificate

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Ultra-fine fibrous carbon and preparation method thereof

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Reexamination Certificate

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