GB191010210A - Improvements relating to Apparatus for Strengthening Weak Electrical Impulses, particularly applicable for use in Wireless Telegraphy.
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Improvements relating to Apparatus for Strengthening Weak Electrical Impulses, particularly applicable for use in Wireless Telegraphy.
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William Phillips Thompson
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H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
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Engineering & Computer Science
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Power Engineering
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GB191010210D1910-04-261910-04-26Improvements relating to Apparatus for Strengthening Weak Electrical Impulses, particularly applicable for use in Wireless Telegraphy.
ExpiredGB191010210A
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