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Steel pipe
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Patent number 10,167,538
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Issue date Jan 1, 2019
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Nippon Steel & Sumitomo Metal Corporation
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Yosuke Kiyota
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Welding method for shell and tube
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Patent number 9,573,219
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Issue date Feb 21, 2017
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SEWON CELLONTECH CO., LTD.
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Yong Hyun Yoo
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UOE steel pipe and structure
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Patent number 9,205,475
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Issue date Dec 8, 2015
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JFE Steel Corporation
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Hisakazu Tajika
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Method for welding of fuel rod
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Patent number 5,374,800
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Issue date Dec 20, 1994
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Mitsubishi Nuclear Fuel Co.
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Eiji Yoneda
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Welding complex
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Patent number 4,910,374
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Issue date Mar 20, 1990
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Vladimir K. Lebedev
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Machine for flash butt welding of pipes
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Patent number 4,803,330
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Issue date Feb 7, 1989
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Institut Elektrosvarki Imeni E.O. Patona Akademii Nak Ukrainskoi
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Sergei I. Kuchuk-Yatsenko
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Apparatus for flash welding of pipes
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Patent number 4,490,599
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Issue date Dec 25, 1984
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Institut Elektrovarki Imeni E.O. Patona
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Vladimir K. Lebedev
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Pipe resistance butt welding apparatus
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Patent number 4,436,974
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Issue date Mar 13, 1984
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Institut Elektrosvarki Imeni E.O. Patona Akademii Nauk Ukrainskoi SSR
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Vladimir K. Lebedev
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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