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 PCT/US1980/000721external-prioritypatent/WO1981003697A1/en
Application filed by Martin Marietta CorpfiledCriticalMartin Marietta Corp
Publication of NO820353LpublicationCriticalpatent/NO820353L/no
Publication of NO148232BpublicationCriticalpatent/NO148232B/no
Publication of NO148232CpublicationCriticalpatent/NO148232C/no