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Masaaki Sugino
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NIPPON STEEL CORPORATION
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Threaded Connection for Steel Pipe
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Publication date Mar 28, 2019
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masaaki Sugino
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Keita Inose
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Threaded Joint for Steel Pipe
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Publication date Dec 20, 2018
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Keita INOSE
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Threaded Connection for Steel Pipe
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masaaki Sugino
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THREADED JOINT FOR STEEL PIPES
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masaaki SUGINO
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E21 - EARTH DRILLING MINING
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THREADED JOINT FOR STEEL PIPES
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Masaaki SUGINO
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THREADED JOINT FOR STEEL PIPES
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Publication date Apr 13, 2017
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Keita INOSE
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E21 - EARTH DRILLING MINING
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THREADED JOINT FOR STEEL PIPES
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Keita INOSE
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THREADED JOINT FOR STEEL PIPES
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masaaki SUGINO
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E21 - EARTH DRILLING MINING
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THREADED CONNECTION FOR STEEL PIPE
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Publication number 20160208962
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masaaki SUGINO
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E21 - EARTH DRILLING MINING
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SCREW JOINT FOR STEEL PIPE
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VALLOUREC OIL AND GAS FRANCE
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Yousuke Oku
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THREADED JOINT FOR PIPES
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Publication date Jan 1, 2015
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NIPPON STEEL & SUMITOMO METAL CORPORATION
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Masahiro Oshima
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E21 - EARTH DRILLING MINING
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THREADED JOINT FOR STEEL PIPES
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Publication number 20120235406
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Publication date Sep 20, 2012
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Sumitomo Metal Industries, Ltd.
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Masaaki SUGINO
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E21 - EARTH DRILLING MINING