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 Produktov BrfiledCriticalVnii Produktov Br
Priority to IN89/CAL/79ApriorityCriticalpatent/IN149532B/en
Publication of IN149532BpublicationCriticalpatent/IN149532B/en