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 Concentric Pumps LtdfiledCriticalConcentric Pumps Ltd
Priority to IN596DE1991priorityCriticalpatent/IN180893B/en
Publication of IN180893BpublicationCriticalpatent/IN180893B/en