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Application filed by Poul Eiler FrandsenfiledCriticalPoul Eiler Frandsen
Priority to DK380658ApriorityCriticalpatent/DK88079C/da
Priority to BE579123Aprioritypatent/BE579123A/fr
Application grantedgrantedCritical
Publication of DK88079CpublicationCriticalpatent/DK88079C/da