Title:
Radio central-station system
United States Patent 1658825


Inventors:
Wolf, Donald L.
Keil, Roy G.
Application Number:
US8239926A
Publication Date:
02/14/1928
Filing Date:
01/20/1926
Assignee:
Wolf, Donald L.
Keil, Roy G.
Primary Class:
Other Classes:
200/5E, 200/16R, 334/10, 381/77, 455/149
International Classes:
H04H20/83
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