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Application filed by Dietmar Reinert, Olaf HauboldfiledCriticalDietmar Reinert
Priority to DD19879177ApriorityCriticalpatent/DD131207A1/de
Priority to SU787770154Aprioritypatent/SU934478A1/ru
Priority to BG7839328Aprioritypatent/BG30290A1/xx
Publication of DD131207A1publicationCriticalpatent/DD131207A1/de