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 Portex Instrumentation & ContrfiledCriticalPortex Instrumentation & Contr
Priority to IN23/DEL/86ApriorityCriticalpatent/IN166004B/en
Publication of IN166004BpublicationCriticalpatent/IN166004B/en