28/07/1951 Automatic inking date apparatus Patent of invention Nº 27.557 https://armia-eibar.eus/en/research/digital-archive/simes-careaga-trevino-y-cia-s-r-c/patents/28-07-1951-automatic-inking-date-apparatus https://armia-eibar.eus/logo.png

28/07/1951 Automatic inking date apparatus

Patent of invention Nº 27.557