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A kind of intelligent heat preserving lunch box
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A kind of intelligence trolley case
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A kind of filtering nasal obstruction
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A kind of novel no airborne dust blackboard
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A kind of intelligent bed curtain
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A kind of Portable type mobile phone band
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A kind of portable intelligence blender
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A kind of novel flexible tumbler desk lamp
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A kind of self-action slides up and down bookcase
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A kind of novel slippers
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CN108877415A
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A kind of space geometry educational aid
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CN108851870A
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A kind of warm hand vacuum cup
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