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 Физико-технический институт АН Белорусской ССРfiledCriticalФизико-технический институт АН Белорусской ССР
Priority to SU762425073ApriorityCriticalpatent/SU612740A1/en
Application grantedgrantedCritical
Publication of SU612740A1publicationCriticalpatent/SU612740A1/en