Dintre inventiile IBM, cele mai importante sunt: 1890 - utilizarea la recensamant a primei cartele perforate. ...
Posted on Tue, 15 Mar 2011 00:00:00 +0200 at http://feedproxy.google.com/~r/info...artela-perforata-la-discheta-si~din-it-c.html
Posted on Tue, 15 Mar 2011 00:00:00 +0200 at http://feedproxy.google.com/~r/info...artela-perforata-la-discheta-si~din-it-c.html