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Pulse arc welding apparatus
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Patent number 6,051,807
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Issue date Apr 18, 2000
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Kabushiki Kaisha Kobe Seiko Sho
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Takaaki Ogasawara
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Heat-resistant shift member
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Patent number 4,551,393
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Issue date Nov 5, 1985
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Oiles Industry Co., Ltd.
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Kikuo Sumiyoshi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Heat-resistant shift member
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Patent number 4,547,434
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Issue date Oct 15, 1985
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Oiles Industry Co., Ltd.
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Kikuo Sumiyoshi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES