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
Priority claimed from IN405CA1993external-prioritypatent/IN179215B/en
Application filed by Prec Valve Australia Pty Ltd, Rodney Malcolm DruittfiledCriticalPrec Valve Australia Pty Ltd
Priority to IN630CA1996priorityCriticalpatent/IN181639B/en
Publication of IN181639BpublicationCriticalpatent/IN181639B/en