Title:
Translating means for electrical currents
United States Patent 2244257
Publication Date:
06/03/1941
Assignee:
Firm, Deutsche Hollerith Maschi
Other Classes:
235/426, 235/429, 235/454, 341/103
International Classes:
H04L25/49; H04L25/493; H04L25/49; H04L25/493