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Priority claimed from NO855163Aexternal-prioritypatent/NO163402C/no
Publication of NO891831LpublicationCriticalpatent/NO891831L/no
Application filed by Stauffer Chemical CofiledCriticalStauffer Chemical Co
Priority to NO891831ApriorityCriticalpatent/NO165291C/no
Publication of NO891831D0publicationCriticalpatent/NO891831D0/no
Publication of NO165291BpublicationCriticalpatent/NO165291B/no
Publication of NO165291CpublicationCriticalpatent/NO165291C/no