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WO2010121420A1
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A book/pamphlet having a readable/writable electric device built in
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CN101683797A
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Adjustable clamping sleeve reading device internally installed with coordinate circuit system, conductive socket and conductive
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CN101683796A
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E-book internally installed with coordinate circuit device and configured with data code printing pages
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CN101659167A
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Built-in adjustable holding device with conductive plug and socket
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CN101659166A
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Book and data book with built-in electric device capable of reading and updating data
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HK1070866A1
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The folding multidimensional databook with the pda
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CN1736732A
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Multifunctional wrapper for mounting PDA
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HK1069801A1
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Multifunction cover device
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HK1069897A1
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The pda installation is designed for the use of keyboards, memory cards and synchronically duplicated memory cards
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HK1067933A2
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The folding multidimensional databook with the pda.
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