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 DD16657372ApriorityCriticalpatent/DD104916A1/xx
Priority to PL16620773Aprioritypatent/PL86905B1/xx
Priority to RO7648173Aprioritypatent/RO60688A/ro
Publication of DD104916A1publicationCriticalpatent/DD104916A1/xx