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    How to become a wireless operator a practical presentation of the theory of electrical waves, their propagation, and their adaptation to wireless communication, including simple an... Bằng Hayward, Charles Brian 1876-

    Được phát hành 1918
    Sách

    How to become a wireless operator a practical presentation of the theory of electrical waves, their propagation, and their adaptation to wireless communication, including simple and clear instructions how to operate wireless devices and how to comply with government requirements for operators

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