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Gyeonggi-do, KR
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last 30 patents
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Patent Application
ANCHOR HAVING FIXING DEVICE AT SIDE OF PRESSURE PLATE TO DEPRESS LA...
Publication number
20180291582
Publication date
Oct 11, 2018
HYUN ENGINEERING AND CONSTRUCTION CO.,LTD
Dong-hyun SEO
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Application
TUNNEL CONSTRUCTION METHOD USING PRE-SUPPORT AND POST-SUPPORT AND A...
Publication number
20180252104
Publication date
Sep 6, 2018
HYUN ENGINEERING AND CONSTRUCTION CO., LTD
Dong-hyun SEO
E21 - EARTH DRILLING MINING