Title:
Piezoelectric crystal mounting
United States Patent 2518331


Inventors:
Walter, Kalin
Application Number:
US2534548A
Publication Date:
08/08/1950
Filing Date:
05/06/1948
Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
Other Classes:
310/331, 310/348, 367/161, 367/163, 367/165, 381/173, 600/528
International Classes:
H04R17/00
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