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Publication date
Priority claimed from DE2033442Aexternal-prioritypatent/DE2033442C3/de
Priority claimed from NO253571Aexternal-prioritypatent/NO130911C/no
Publication of NO741979LpublicationCriticalpatent/NO741979L/no
Application filed by Erbsloeh Julius & AugustfiledCriticalErbsloeh Julius & August
Priority to NO741979ApriorityCriticalpatent/NO741979L/no
Publication of NO135436BpublicationCriticalpatent/NO135436B/no
Publication of NO135436CpublicationCriticalpatent/NO135436C/no