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Title:
Common-frequency broadcasting system
United States Patent 1751516
Inventors:
Green, Estill I.
Application Number:
US21151827A
Publication Date:
03/25/1930
Filing Date:
08/08/1927
Export Citation:
Click for automatic bibliography generation
Assignee:
AMERICAN TELEPHONE & TELEGRAPH
Primary Class:
455/105
Other Classes:
455/118
International Classes:
H04H20/67
View Patent Images:
Download PDF 1751516
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