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Seibu Denki Kogyo Co., Ltd.

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  • Fukuoka, JA
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  • Information Patent Grant

    Magnetic signal mixing amplifier
    • Patent number 3,993,960
    • Issue date Nov 23, 1976
    • Seibu Denki Kogyo Co., Ltd.
    • Koosuke Harada
    • H03 - BASIC ELECTRONIC CIRCUITRY

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