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Opening method and device thereof
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Patent number 10,112,793
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Issue date Oct 30, 2018
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Nippon Steel & Sumitomo Metal Corporation
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Yoshiaki Nunota
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Explosive linear cutter
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Patent number 3,971,290
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Issue date Jul 27, 1976
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The United States of America as represented by the Secretary of the Navy
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Jim W. Blain
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3277761
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Patent number 3,277,761
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Issue date Oct 11, 1966
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3123315
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Patent number 3,123,315
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Issue date Mar 3, 1964
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL