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 US06/783,517external-prioritypatent/US4685964A/en
Application filed by Midrex Int BvfiledCriticalMidrex Int Bv
Priority to IN616/CAL/86ApriorityCriticalpatent/IN164404B/en
Publication of IN164404BpublicationCriticalpatent/IN164404B/en