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.)
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Publication date
Priority claimed from US06/081,126external-prioritypatent/US4264432A/en
Priority claimed from US06/082,162external-prioritypatent/US4351275A/en
Priority claimed from US06/086,951external-prioritypatent/US4338187A/en
Priority claimed from US06/165,783external-prioritypatent/US4300998A/en
Priority claimed from US06/165,784external-prioritypatent/US4356151A/en
Application filed by Stone & Webster Eng CorpfiledCriticalStone & Webster Eng Corp
Publication of MX161001ApublicationCriticalpatent/MX161001A/en