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Ferric pickling of silicon steel
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Patent number 8,128,754
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Issue date Mar 6, 2012
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AK Steel Properties, Inc.
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Vijay N. Madi
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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System for continuous treatment of steel strip
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Patent number 6,427,706
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Issue date Aug 6, 2002
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Andritz-Patentverwaltungs-Gesellschaft m.b.H.
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Walter Wissmann
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3324498
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Patent number 3,324,498
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Issue date Jun 13, 1967
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3031703
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Patent number 3,031,703
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Issue date May 1, 1962
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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2212219
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Patent number 2,212,219
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Issue date Aug 20, 1940
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2194565
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Patent number 2,194,565
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Issue date Mar 26, 1940
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1374335
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Patent number 1,374,335
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Issue date Apr 12, 1921
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...