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 DD18439075ApriorityCriticalpatent/DD118200A1/xx
Priority to DE19752554009prioritypatent/DE2554009A1/de
Priority to BG3182475Aprioritypatent/BG22727A1/xx
Priority to CS42976Aprioritypatent/CS181529B1/cs
Priority to RO7684687Aprioritypatent/RO72341A/ro
Publication of DD118200A1publicationCriticalpatent/DD118200A1/xx