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Inventor
RITUPER WLADIMIR
DE
2 patents
Patents
2 patents
US7909226B2
Mar 22, 2011
Device for producing a longitudinally welded hollow profile using a holding-down device
THYSSENKRUPP STEEL AG
7 citations
79
US8042368B2
Oct 25, 2011
Method and apparatus for the production of a longitudinal seam welded hollow profile
THYSSENKRUPP STEEL AG
5 citations
58