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 IN761CA1989external-prioritypatent/IN173854B/en
Application filed by Stockham ValvefiledCriticalStockham Valve
Priority to IN273CA1993priorityCriticalpatent/IN175290B/en
Publication of IN175290BpublicationCriticalpatent/IN175290B/en