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Rolling-mill roll
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Patent number 5,263,920
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Issue date Nov 23, 1993
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Obiedinenie "Sojuztverdosplav" Spetsialnoe proizvodstvenno-tekhnologiches k...
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Jury G. Budza
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Warm rolling facility for steel strip coils
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Patent number 5,195,344
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Issue date Mar 23, 1993
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Nippon Kokan Kabushiki Kaisha
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Sadakazu Masuda
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3847763
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Patent number 3,847,763
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Issue date Nov 12, 1974
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3613421
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Patent number 3,613,421
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Issue date Oct 19, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3142208
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Patent number 3,142,208
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Issue date Jul 28, 1964
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1936592
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Patent number 1,936,592
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Issue date Nov 28, 1933
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...