Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Guenter Hauck, Lothar Wille, Konrad HildebrandfiledCriticalGuenter Hauck
Priority to DD19856777ApriorityCriticalpatent/DD130500B1/en
Publication of DD130500A1publicationCriticalpatent/DD130500A1/en
Priority to HUME002161prioritypatent/HU180867B/en
Publication of DD130500B1publicationCriticalpatent/DD130500B1/en