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WO2008125880A1
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Multiple module co-operation in data distribution systems
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GB0712192D0
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An Electronic voucher distribution and redemption system
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GB0707138D0
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Data distribution system using a wireless tag
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GB0707139D0
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Multiple module cooperation in data distribution systems
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GB0621145D0
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A data distribution system employing two or more transmitters for improved transfer rate
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GB0621152D0
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Improvements to frequency hopping communication systems
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GB0207189D0
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Improvements relating to information delivery
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