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/US1997/021053external-prioritypatent/WO1998021415A1/en
Application filed by Zachry Co H BfiledCriticalZachry Co H B
Publication of NO992322D0publicationCriticalpatent/NO992322D0/en
Publication of NO992322LpublicationCriticalpatent/NO992322L/en