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9975060 | Liquid purification system | May 26, 17 | May 22, 18 | Not available |
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9968868 | Pore water extraction kit of seabed sediment | Nov 06, 15 | May 15, 18 | Korea Institute of Geoscience and Mineral Resources |
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9834463 | Side-stream particle precipitator apparatus and system for condenser open loop cooling system | Oct 14, 16 | Dec 05, 17 | Not available |