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 US06/699,039external-prioritypatent/US4581699A/en
Application filed by Vickers IncfiledCriticalVickers Inc
Publication of IN165024BpublicationCriticalpatent/IN165024B/en