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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Application filed by Norwegian ContractorsfiledCriticalNorwegian Contractors
Priority to NO910641ApriorityCriticalpatent/NO174063C/no
Publication of NO910641D0publicationCriticalpatent/NO910641D0/no
Priority to CN 92100982prioritypatent/CN1029377C/zh
Publication of NO910641LpublicationCriticalpatent/NO910641L/no
Publication of NO174063BpublicationCriticalpatent/NO174063B/no
Publication of NO174063CpublicationCriticalpatent/NO174063C/no