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 Vnii IspolzovantafiledCriticalVnii Ispolzovanta
Priority to IN802/CAL/1975ApriorityCriticalpatent/IN140953B/en
Publication of IN140953BpublicationCriticalpatent/IN140953B/en