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 Uk I Inzh Vodnogo KhozfiledCriticalUk I Inzh Vodnogo Khoz
Publication of IN169040BpublicationCriticalpatent/IN169040B/en