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Priority claimed from NO823327Aexternal-prioritypatent/NO160085C/no
Publication of NO874043LpublicationCriticalpatent/NO874043L/no
Application filed by Ici PlcfiledCriticalIci Plc
Priority to NO874043ApriorityCriticalpatent/NO168896C/no
Publication of NO874043D0publicationCriticalpatent/NO874043D0/no
Publication of NO168896BpublicationCriticalpatent/NO168896B/no
Publication of NO168896CpublicationCriticalpatent/NO168896C/no
Foerfarande foer taetning av utrymmet mellan tvao i varandra inskjutbara, vaesentligen koaxiala taetningsytor samt taetningsanordning foer genomfoerande av foerfarandet.