Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fabrikanter Af Cifreringsapp RfiledCriticalFabrikanter Af Cifreringsapp R
Application grantedgrantedCritical
Publication of DK30337CpublicationCriticalpatent/DK30337C/en
DK30337D1919-10-101920-05-14
Apparatus for the production of numerical documents, in particular those intended for telegraphic transmission.
DK30337C
(en)