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Title:
Antenna switching system
Document Type and Number:
United States Patent 2594328
Inventors:
Marchetti, John W.
Publication Date:
04/29/1952
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Assignee:
Sec, War US.
Primary Class:
343/766
Other Classes:
343/876, 333/260, 343/838, 333/262, 200/19.180, 200/8R, 343/814, 343/815
International Classes:
H01Q3/24
;
H01Q3/26
US Patent References:
2156653
Ultra short wave system
2187618
Radio beacon system
2234293
Antenna system
2474854
Antenna
2480829
Radio direction indicating apparatus
Foreign References:
DE618777C
DE706661C
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