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Application filed by Karla Anders, Bernhard Giersberg, Johannes Kreis, Werner Lier, Gerhard Moser, Guenter Salewski, Ulrich ZanderfiledCriticalKarla Anders
Priority to DD22328980ApriorityCriticalpatent/DD152570A1/de
Priority to SU817771985Aprioritypatent/SU1359281A1/ru
Priority to CS815974Aprioritypatent/CS266352B1/cs
Priority to BG5326581Aprioritypatent/BG43102A1/xx
Publication of DD152570A1publicationCriticalpatent/DD152570A1/de