CN111439415A
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Supporting piece
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CN110667974A
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Transport case
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CN110667973A
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Transport case
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CN110371454A
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Understructure and turnover box with it
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CN112278567A
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Valve and have its turnover case
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CN112148058A
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Method for estimating multimodal MPPT (maximum power point tracking) of photovoltaic array
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CN109814277A
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A kind of multilayer polarized lenses
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CN109817484A
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A kind of isolated form double-throw circuit switch
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CN109805745A
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A kind of three-dimensional heating electric pressure cooker
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CN109805775A
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It is a kind of simple with energy-saving electric rice pot
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CN109653499A
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A kind of house beam side data formwork reinforcement structure
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CN109658836A
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A kind of convenience-for-people information system
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CN109645725A
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A kind of simple campus court seat
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CN109654713A
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A kind of rainproof ventilation oral shield
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CN109659829A
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A kind of lightning protection campus distribution box
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CN109648502A
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A kind of Multifunctional rotary screwdriver
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