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Doppler frequency spread correction device for multiplex transmissions
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Plural modulation system
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Device for recovering a frequency showing phase jitter
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(enrdf_load_stackoverflow)
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Television and pulse modulated sound system
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Radio receiver
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Selective transmission system
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Sheetsxsheet i |
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Arrangement for the transmission of intelligence
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Cross talk eliminating apparatus in a time division multiplex system
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Immunity to channel distortions of mac signal
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Pulse communication system
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(en)
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Signalling system for telecommunication systems using pulse modulation
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(en)
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Ringing equipment for pulse modulation systems
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Frequency shift telegraph communication
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Television transmission channel sharing system
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(de)
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