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WO2017101814A1
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Apparatus for assisting reading and writing postures
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CN106963111A
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A kind of study table
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CN106937795A
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Study table
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CN106889761A
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A kind of study table
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CN106889794A
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The accessory of read-write activity
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CN101060546A
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A mobile phone of effectively reducing the radiation hazards
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CN1663502A
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Book page fixing device
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CN1663501A
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Cover assembled book shelf for reading
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CN1552582A
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Multifunctional health-care book cover
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CN1537732A
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Convenient and reliable health-care book holder
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CN1532071A
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Convenient health book weight
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CN1569482A
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Convenient and reliable book suppressor
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CN1322628A
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Printed reading and name card and their display
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CN1320523A
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Printed reading material of foreign language with hidden explanation
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CN1315255A
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Printed foreign language-reading material able to quickly look up meanings
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CN1314652A
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Reading material and device for reading-in and outputting explamation by machine
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CN1309382A
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Printed reading materials able to directly look up annotation signs
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CN1307322A
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Printed foreign language reading material with stealth annotation symbols
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CN1304106A
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Printed foreign language reading matter capable of quickly searching explained meaning
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CN1206674A
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Pipe or bag shaped package container for sticky and thick material
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