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Application filed by L R J BourdalefiledCriticalL R J Bourdale
Priority to DK227172ApriorityCriticalpatent/DK138977B/da
Publication of DK138977BpublicationCriticalpatent/DK138977B/da
Application grantedgrantedCritical
Publication of DK138977CpublicationCriticalpatent/DK138977C/da