Wire line transmission
United States Patent 2243851

Inventors:
Booth, Richard P.
Odarenko, Todes M.
Publication Date:
06/03/1941
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
455/14
Other Classes:
174/115, 333/12, 333/1, 381/94.100, 174/27, 174/103, 381/77, 174/36
International Classes:
H04B3/32; H04B3/02