 
                 Hurtgenwald, DE
 Hurtgenwald, DE
                     VOITH PATENT GmbH
                                    VOITH PATENT GmbH
                                 Klaus  Afflerbach
                                    Klaus  Afflerbach
                                 D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
                                    D21 - PAPER-MAKING PRODUCTION OF CELLULOSE