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Headset capable of wireless charging, and headset charging system using wireless power transmission comprising same |
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Composite cathode active material, method of preparing the composite cathode active material, and cathode and lithium battery each including the composite cathode active material |
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| 11091823 |
Magnesium alloy sheet and manufacturing method thereof |
Young-Wook Chae, Jae Joong Kim, Oh-Duck Kwon |
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Auxiliary battery capable of transmitting and receiving wireless power |
Jin-Pyo Park, Bae Geun Lee |
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| 10966685 |
Method and ultrasound apparatus for providing ultrasound elastography image |
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2021-04-06 |
