GENEVA, Feb. 17 -- G&G TECHNOLOGY CO.,LTD. ((Songdo-dong, Smart Valley) Adong 102ho, 103ho, 1601ho, 30, Songdomirae-roYeonsu-guIncheon 21990), 주식회사 지앤지테크놀러지 (인천광역시연수구송도미래로 30, 에이동 102호, 103호, 1601호 (송도동, 스마트밸리)) filed a patent application (PCT/KR2023/018104) for "GEOTHERMAL SYSTEM USING SEALED CIRCULATION STRUCTURE OF GROUNDWATER AND DIRECT COUPLING OF DISCHARGE PORT AND UNDERWATER PUMP IN GEOTHERMAL HOLE, AND METHOD FOR CONSTRUCTING SAME" on Nov 10, 2023. With publication...