Title:
Cyrstal oscillator circuits
United States Patent 2444349

Inventors:
Harrison, Charles W.
Publication Date:
06/29/1948
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
331/159
Other Classes:
330/138, 310/318, 330/135, 331/183
International Classes:
H03B5/34
Other References:
None