TREA

The United States of America as represented by the Attorney General of the United States

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  • Washington, DC, US
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    Microphone
    • Patent number 4,142,074
    • Issue date Feb 27, 1979
    • The United States of America as represented by the Attorney General of the Un...
    • Charles K. Corbett
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

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