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Application filed by Nordischer MaschinenbaufiledCriticalNordischer Maschinenbau
Priority to NO783748ApriorityCriticalpatent/NO144280C/en
Publication of NO783748LpublicationCriticalpatent/NO783748L/en
Publication of NO144280BpublicationCriticalpatent/NO144280B/en
Publication of NO144280CpublicationCriticalpatent/NO144280C/en