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Application filed by Cecil Allen, Robert AllenfiledCriticalCecil Allen
Application grantedgrantedCritical
Publication of DK29871CpublicationCriticalpatent/DK29871C/da
DK29871D1920-12-101920-12-10Apparat til Anbringelse af Stempelringe og lignende i og Udtagelse af dem af deres Riller i paagældende Stempel.
DK29871C
(da)