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 filed by Perm Vnii Burovoj TekhnfiledCriticalPerm Vnii Burovoj Tekhn
Priority to MX283886ApriorityCriticalpatent/MX164028B/en
Publication of MX164028BpublicationCriticalpatent/MX164028B/en