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Application filed by Selskapet For Industriell Og Teknisk ForskningfiledCriticalSelskapet For Industriell Og Teknisk Forskning
Priority to DK559776ApriorityCriticalpatent/DK142448B/da
Publication of DK559776ApublicationCriticalpatent/DK559776A/da
Publication of DK142448BpublicationCriticalpatent/DK142448B/da
Application grantedgrantedCritical
Publication of DK142448CpublicationCriticalpatent/DK142448C/da