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CA1066778A
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Code operated switching device for communications systems and the like
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Code operated switching device for communications systems and the like
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Communications system encoder-decoder for data transmission and retrieval
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Communications system for data transmission and retrieval
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Channel tuning arrangement
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Channel monitoring system for audience survey purposes
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Television communications system
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Cable television tapoff unit
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Color television equipment
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Color television camera and method
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Non-duplication switching arrangement for cable television transmission
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Television communications system with coding and decoding
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CA917783A
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Cable television tapoff unit
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