ATBECHDEDKES..GBGRITLILUNLSE........................................................................*EPregister to ST.36 EBD process v 1.0 kbaumeister@epo.org (15 Jan 2013)0489881A119920617EP91911792.01991062719920303frfrfr1990000851719900629FR1992061719922519920617199225B21C 37/ 08 A I B21C 37/ 083 A I enMETHOD FOR PRODUCING RIBBED TUBESfrPROCEDE DE FABRICATION DE TUBES CANNELESdeVERFAHREN ZUR HERSTELLUNG EINES ROHRES MIT GERIFFELTER WANDUNGVALINOX130 rue de SillyF-92100 Boulogne-BillancourtFRGérard, Pascal53, rue de CouvinF-21500 MontbardFRGili, Pierre9, rue J.J.RousseauF-21150 Venarey les LaumesFRDesolneux, Jean-Paul CharlesSetval Division Propriété Industrielle 130, rue de SillyF-92100 Boulogne-BillancourtFRATBECHDEDKESGBGRITLILUNLSEFR199100051219910627frWO199200015319920109199202