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Ferritic stainless steel
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Patent number 4,456,482
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Issue date Jun 26, 1984
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Allegheny Ludlum Steel Corporation
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Thomas J. Nichol
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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High strength aluminum alloy and process
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Patent number 4,297,136
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Issue date Oct 27, 1981
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The International Nickel Co., Inc.
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Joseph R. Pickens
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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High strength aluminum alloy and process
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Patent number 4,292,079
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Issue date Sep 29, 1981
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The International Nickel Co., Inc.
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Joseph R. Pickens
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...