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CN103770860A
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Bicycle support
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CN103775450A
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Pipe clamp
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CN103767176A
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Rainproof shoes and trousers sleeve
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CN103767642A
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Efficient mop
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CN103775466A
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Self-locking screw cap
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CN103774974A
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Convenient screen window
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CN103767513A
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Elastic suspension arm
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CN103768765A
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Swimming speed increasing device
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CN103774391A
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Swing arm type clothes hanger
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CN103774966A
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Self-cleaning device of glass
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CN103780719A
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Waterproof mobile phone case
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CN103774740A
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Floor drain difficulty in drying
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