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Application filed by F Aksten, J S Dersen, A E B Smussen, P WedervangfiledCriticalF Aksten
Priority to DK616074ApriorityCriticalpatent/DK134968B/da
Publication of DK616074ApublicationCriticalpatent/DK616074A/da
Publication of DK134968BpublicationCriticalpatent/DK134968B/da
Application grantedgrantedCritical
Publication of DK134968CpublicationCriticalpatent/DK134968C/da