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Priority claimed from DE19873700420external-prioritypatent/DE3700420A1/de
Publication of NO903296LpublicationCriticalpatent/NO903296L/no
Application filed by Efka Werke Kiehn Gmbh FritzfiledCriticalEfka Werke Kiehn Gmbh Fritz
Priority to NO903296ApriorityCriticalpatent/NO172722C/no
Publication of NO903296D0publicationCriticalpatent/NO903296D0/no
Publication of NO172722BpublicationCriticalpatent/NO172722B/no
Publication of NO172722CpublicationCriticalpatent/NO172722C/no