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 # 104923
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(11) 104923 (51) (2014.01)
B21B 17/04 (2006.01)
B21B 25/00
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(21) a201206761 (22) 25.10.2010
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(33) DE
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(56) DE 3335942 A1; 05.04.1984
EP 1854561 A1; 14.11.2007
US 3946586 A; 30.03.1976
GB 2036622 A; 02.07.1980
(85) 01.06.2012
(86) PCT/DE2010/001252, 25.10.2010
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Kummerling, Rolf (DE ); Hagemann, Frank (DE ); Moniz Pereira, Gabriel (DE ); Schafer, Nils (DE ); Johnson, Ken (US ); Chamberlain, Brad (US )
(73) & , Rather Kreuzweg 106, D-40472 Dusseldorf, Germany (DE )
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METHOD AND DEVICE FOR OPTIMIZED CIRCULATION OF MANDRELS AT PRODUCTION OF HOT-ROLLED SEAMLESS STEEL PIPES BY CONTINUOUS METHOD
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