Title:
Pressure-compensated transducer
United States Patent 3187300

Inventors:
Brate, Donald C.
Publication Date:
06/01/1965
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Assignee:
CHESAPEAKE INSTR CORP
Primary Class:
Other Classes:
310/337, 310/331, 367/168, 73/DIG.004, 310/329, 73/727
International Classes:
B06B1/06
US Patent References:
3048815Low frequency transducer