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Application filed by Joachim Holzweissig, Wolfgang Roscher, Gunter Nemitz, Helmut Fuertig, Werner HoesefiledCriticalJoachim Holzweissig
Priority to DD19661076ApriorityCriticalpatent/DD130331B3/de
Publication of DD130331A1publicationCriticalpatent/DD130331A1/de
Publication of DD130331B3publicationCriticalpatent/DD130331B3/de