Electromagnetic apparatus for the transmission of images
United States Patent 1771360
Inventors:
Leon, Thurm
Publication Date:
07/22/1930
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Assignee:
Leon, Thurm
Primary Class:
Other Classes:
360/135, 386/E05.043, 386/E05.042, 360/22
International Classes:
H04N5/781; H04N5/782