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
Priority claimed from DD6450759Aexternal-prioritypatent/DD23153A3/xx
Application filedfiledCritical
Priority to DD7095060ApriorityCriticalpatent/DD25161A4/xx
Publication of DD25161A4publicationCriticalpatent/DD25161A4/xx