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Cold rolling mill for metal strip
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Patent number 4,481,800
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Issue date Nov 13, 1984
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Kennecott Corporation
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Robert C. Ruhl
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bearing retaining and positioning means
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Patent number 4,352,229
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Issue date Oct 5, 1982
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Bethlehem Steel Corporation
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Edward A. Moore
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3572079
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Patent number 3,572,079
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Issue date Mar 23, 1971
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3403950
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Patent number 3,403,950
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Issue date Oct 1, 1968
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2709627
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Patent number 2,709,627
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Issue date May 31, 1955
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2677979
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Patent number 2,677,979
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Issue date May 11, 1954
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2575830
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Patent number 2,575,830
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Issue date Nov 20, 1951
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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2018055
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Patent number 2,018,055
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Issue date Oct 22, 1935
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1923782
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Patent number 1,923,782
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Issue date Aug 22, 1933
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1772248
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Patent number 1,772,248
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Issue date Aug 5, 1930
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...