UNDERWATER COMMUNICATIONS SYSTEM
United States Patent 3495209

Inventors:
Engle, Homer A.
Publication Date:
02/10/1970
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Assignee:
Marguerite, Curtice
Primary Class:
Other Classes:
343/787, 343/719, 367/132, 455/40, 381/177, 381/361
International Classes:
G01S1/72; H04B13/02; G01S1/00; H04B13/00; H01Q1/04; H04B13/00; H04B5/00




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