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Application filed by Egry LtdfiledCriticalEgry Ltd
Application grantedgrantedCritical
Publication of DK77453CpublicationCriticalpatent/DK77453C/da
DK220146A1945-05-141946-06-04Mangfoldiggørelsesapparat til skrivemaskiner til fremføring af to eller flere papirsbaner og mellemliggende carbonark.
DK77453C
(da)