High-frequency apparatus
United States Patent 2593067

Inventors:
Spencer, Percy L.
Publication Date:
04/15/1952
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Assignee:
RAYTHEON MFG CO
Primary Class:
Other Classes:
331/46, 219/746, 333/230, 219/697
International Classes:
H05B6/80
US Patent References:
2474938Cavity resonator electron discharge device
2495429Method of treating foodstuffs