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Teruo Koyama
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Yokohama, JP
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last 30 patents
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Patent Grant
Coated metal sheet for use in producing a drawn and ironed can body
Patent number
4,177,323
Issue date
Dec 4, 1979
Nippon Steel Corporation
Tatsuro Obi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Steel sheet for DrD cans and DI cans
Patent number
4,160,056
Issue date
Jul 3, 1979
Nippon Steel Corporation
Tadashi Tanaka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL