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Welding method and welding device
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Patent number 5,446,257
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Issue date Aug 29, 1995
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Nissan Motor Co., Ltd.
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Hiroki Sakamoto
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Laser hardening device
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Patent number 5,313,042
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Issue date May 17, 1994
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Nissan Motor Co., Ltd.
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Hidenobu Matsuyama
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Laser processing arrangement
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Patent number 5,196,672
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Issue date Mar 23, 1993
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Nissan Motor Co., Ltd.
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Hidenobu Matsuyama
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method of laser quenching
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Patent number 5,182,433
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Issue date Jan 26, 1993
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Nissan Motor Co., Ltd.
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Hiroki Sakamoto
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C21 - METALLURGY OF IRON
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