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Publication date
Application filed by Bernhard HeinemannfiledCriticalBernhard Heinemann
Priority to DD20176277ApriorityCriticalpatent/DD133918B1/de
Priority to DE19782839381prioritypatent/DE2839381A1/de
Priority to FR7828406Aprioritypatent/FR2407060A1/fr
Priority to GB7840261Aprioritypatent/GB2009664A/en
Publication of DD133918A1publicationCriticalpatent/DD133918A1/de
Publication of DD133918B1publicationCriticalpatent/DD133918B1/de