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Scanning method for storage tubes
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Fluorescent screen for cathode ray tubes
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Electrode support for cathode ray tubes
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Projection receiver
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Picture transmitter
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Modulation circuit using a multigrid photoelectric cell
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Television apparatus
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Cathode ray tube
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Braun tube
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Braun tube
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Magnetic deflecting system for braun tubes
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Cathode ray focusing coil
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Method of scanning films
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