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Section straightening machine
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Patent number 6,843,091
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Issue date Jan 18, 2005
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SMS Demag Aktiengesellschaft
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Hans Georg Hartung
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Universal rolling mill stand
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Patent number 6,305,205
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Issue date Oct 23, 2001
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SMS Schloemann-Siemag AG
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Willi Derks
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Roll stand without housings
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Patent number 6,021,656
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Issue date Feb 8, 2000
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SMS Schloemann-Siemag Aktiengesellschaft
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Hans Bogendorfer
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rolling train
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Patent number 5,941,115
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Issue date Aug 24, 1999
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SMS Schloemann-Siemag Aktiengesellschaft
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Michael Minnerop
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rolling mill stand
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Patent number 5,787,749
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Issue date Aug 4, 1998
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SMS Schloemann-Siemag AG
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Hans-Jurgen Reismann
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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