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Austenitic free cutting stainless steels
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Patent number 4,837,108
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Issue date Jun 6, 1989
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Daido Tokushuko Kabushiki Kaisha
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Atsuyoshi Kimura
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Free-cutting Ti alloy
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Patent number 4,810,465
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Issue date Mar 7, 1989
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Daido Tokushuko Kabushiki Kaisha
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Atsuyoshi Kimura
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Free cutting steel
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Patent number 4,806,304
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Issue date Feb 21, 1989
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Daido Tokushuko Kabushiki Kaisha
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Atsuyoshi Kimura
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Free-cutting structural steel for machines
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Patent number 4,115,111
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Issue date Sep 19, 1978
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Daido Tokushuko Kabushiki Kaisha
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Tetsuro Itoh
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...