Perforator for tapes with punches controlled through electromagnets
United States Patent 3040610
Inventors:
Virginio, Svidercoschi
Publication Date:
06/26/1962
Assignee:
Cogera, Compagnia General S. R. L.
Other Classes:
83/628, 234/108, 83/576
International Classes:
H04L17/08; H04L17/00