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By Suk-Hwan Suh, Dae-Hyuk Chung, Ian Stroud, Seong Kyoon Kang. Seong-Kyoon Kang currently works for K&S International Patents in Seoul. Dae-Hyuk Chung is based in Changwon, Korea, working for Doosan Infracore, Ltd.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.