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 Nihon Pipe Conveyor KenkyushofiledCriticalNihon Pipe Conveyor Kenkyusho
Priority to IN1071CA1994priorityCriticalpatent/IN182455B/en
Publication of IN182455BpublicationCriticalpatent/IN182455B/en