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Application filedfiledCritical
Priority to NO875490ApriorityCriticalpatent/NO163201C/no
Publication of NO875490D0publicationCriticalpatent/NO875490D0/no
Priority to GR880100858Aprioritypatent/GR880100858A/el
Priority to IT8848726Aprioritypatent/IT1235355B/it
Publication of NO875490LpublicationCriticalpatent/NO875490L/no
Publication of NO163201BpublicationCriticalpatent/NO163201B/no
Publication of NO163201CpublicationCriticalpatent/NO163201C/no