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Priority claimed from GB1628371Aexternal-prioritypatent/GB1359166A/en
Application filed by GlaverbelfiledCriticalGlaverbel
Priority to NO5773ApriorityCriticalpatent/NO132862C/no
Publication of NO132862BpublicationCriticalpatent/NO132862B/no
Publication of NO132862CpublicationCriticalpatent/NO132862C/no