Title:
Electrographic transmitter
United States Patent 2907824
Inventors:
Peek Jr., Robert Lee
Publication Date:
10/06/1959
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Export Citation:
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
Other Classes:
338/90, 338/128
International Classes:
G08C21/00
Foreign References:
| DE326089C | ||||
| GB588043A |