High frequency apparatus
United States Patent 2937316

Inventors:
Moose, Louis F.
Publication Date:
05/17/1960
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
315/43
Other Classes:
315/39, 313/348
International Classes:
H01J21/06; H01J21/36; H03F3/54; H01J21/00