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Application filed by Ole FinnerupfiledCriticalOle Finnerup
Priority to DK42493ApriorityCriticalpatent/DK170446B1/da
Publication of DK42493D0publicationCriticalpatent/DK42493D0/da
Publication of DK42493ApublicationCriticalpatent/DK42493A/da
Application grantedgrantedCritical
Publication of DK170446B1publicationCriticalpatent/DK170446B1/da
Anordning foer att foervara en nyckel paa utsidan av en laast doerr, paa ett saadant saett, att endast invigda personer kan beredas tilltraede till nyckeln