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Tae-Sung Roh
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Changwon-shi, KR
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last 30 patents
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Patent Grant
Method for welding hollow structure
Patent number
8,590,767
Issue date
Nov 26, 2013
Research Institute of Industrial Science & Technology
Chang-Kun Chun
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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last 30 patents
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Patent Application
METHOD FOR WELDING HOLLOW STRUCTURE
Publication number
20120325894
Publication date
Dec 27, 2012
Research Institute of Industrial Science & Technology
Chang-Kun CHUN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR