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Patent applications and USPTO patent grants for WANG; XIUYI.The latest application filed is for "overlapping method of a welding groove, a twin wire welding method and a system thereof".
Patent | Date |
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Overlapping Method Of A Welding Groove, A Twin Wire Welding Method And A System Thereof App 20110266267 - LIU; ZHIPING ;   et al. | 2011-11-03 |
Welding Method Of Butted Profile App 20110259942 - ZHOU; JUNNIAN ;   et al. | 2011-10-27 |
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