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Polymer electrolyte membrane for fuel cell, membrane-electrode assembly for fuel cell including same, and fuel cell including same |
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2019-08-20 |
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Composite electrolyte membrane and method for manufacturing same |
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Drilling oil and method of preparing the same |
Hee Jung Jeon, Ja Hyun Yang, Tae Jin Kim, Young Hwan Lee |
2019-03-19 |
| 10192901 |
Organic light emitting diode display and manufacturing method thereof |
Young Ki Shin, Dae Ho Kim, Woong Hee Jeong, Yoon Ho Khang |
2019-01-29 |
| 10174282 |
Method for mass culturing photosynthetic microalgae by additionally supplying environmental water |
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2019-01-08 |
