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Desktop and low noise chess and card machine convenient to get cell-phone and charge for cell-phone
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Desktop and bearing structure convenient to match with support to increase accommodating chamber
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Table top, table mat and chess and card machine convenient for poker hand negotiation
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Energy-saving self-payment device capable of achieving information interaction through code scanning and convenient to operate
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Intelligent channel management system for guiding personnel to adjust position of code scanning equipment
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Device for finishing information interaction and facilitating operation of user through code scanning
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A kind of method that the Fluorenone of high-purity 9 is prepared with Industrial fluorene
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Detergent bottle
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Wasted plastic oil refining process with low cost and high yield
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Method for removing nitride from oil
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Method of refining cracked gasoline and crude benzole by liquid-phase coking distillation method with clays
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