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Application filed by Anke Doehring, Willi Goebke, Gerhard Hering, Wolfgang Hieronymus, Hans Sattler, Witzke Hans Dieter, Barbara SchoebelfiledCriticalAnke Doehring
Priority to DD20263077ApriorityCriticalpatent/DD134221A1/de
Publication of DD134221A1publicationCriticalpatent/DD134221A1/de