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Vacuum roll mill stand
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Patent number 4,263,796
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Issue date Apr 28, 1981
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Vladimir N. Vydrin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Mill stand
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Patent number 4,244,204
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Issue date Jan 13, 1981
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Vladimir N. Vydrin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Continuous mill
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Patent number 4,229,961
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Issue date Oct 28, 1980
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Vladimir N. Vydrin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Roll mill stand
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Patent number 4,198,841
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Issue date Apr 22, 1980
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Vladimir N. Vydrin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Roll mill stand
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Patent number 4,192,165
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Issue date Mar 11, 1980
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Vladimir N. Vydrin
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...