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 DD19190676ApriorityCriticalpatent/DD125139A1/xx
Priority to FI770314Aprioritypatent/FI770314A7/fi
Priority to RO7789669Aprioritypatent/RO70643A/ro
Publication of DD125139A1publicationCriticalpatent/DD125139A1/xx