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Application filed by Nordischer MaschinenbaufiledCriticalNordischer Maschinenbau
Priority to NO773617ApriorityCriticalpatent/NO142801C/en
Publication of NO773617LpublicationCriticalpatent/NO773617L/en
Publication of NO142801BpublicationCriticalpatent/NO142801B/en
Publication of NO142801CpublicationCriticalpatent/NO142801C/en