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.)
Filing date
Publication date
Application filedfiledCritical
Priority to DD16227172ApriorityCriticalpatent/DD95942A1/xx
Publication of DD95942A1publicationCriticalpatent/DD95942A1/xx
Priority to DE19732315943prioritypatent/DE2315943A1/de