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person:("Lee, dong kwan")
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person:("Lee, dong kwon")
APPARATUS FOR CARRYING UTILITY POLE AND VEHICLE FOR CARRYING UTILITY POLE HAVING THE SAME
Remote water sampling apparatus and water quality monitoring system by using the same
ELECTRIC VEHICLE CHARGER WITH FUNCTION TO AUTOMATICALLY WIND THE CHARGING CABLE
APPARATUS FOR PREVENTING TOWED ARRAY SONAR CABLE INTERFERENCE
INTERCONNECTING TEST SYSTEMS AND INTERCONNECTING TEST METHOD
HORIZONTAL LAUNCHING TUBE CONTROL APPARATUS USING DUPLICATED CONTROL AND SUBMARINE HAVING THE SAME