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Application filed by Horst Zehlicke, Arndt Guenther, Wolfgang Bergholz, Waltraud TribiusfiledCriticalHorst Zehlicke
Priority to DD20523878ApriorityCriticalpatent/DD136386A1/xx
Priority to DE19792916705prioritypatent/DE2916705B2/de
Publication of DD136386A1publicationCriticalpatent/DD136386A1/xx