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Heat-resistant alloy wire
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Patent number 6,478,897
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Issue date Nov 12, 2002
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Sumitomo Electric Engineering, Ltd.
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Hiromu Izumida
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Evaporation material
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Patent number 6,126,760
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Issue date Oct 3, 2000
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Sumitomo Electric Industries, Ltd.
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Yukihiro Oishi
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Process for finishing steelwire
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Patent number 5,904,830
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Issue date May 18, 1999
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Sumitomo Electric Industries, Ltd.
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Norihito Yamao
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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