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US2014041701A1
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Elastic force magnifying structure of self-opening/closing umbrella
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Structure of self-closing collapsible umbrella
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Four-folded umbrella with solid ribs
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Three-folded umbrella with solid ribs
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Rib structure of a two-layer cover umbrella
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Umbrella having two shafts
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Soft handle
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Rib arrangement for a multiple-fold umbrella
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Super mini umbrella
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Automatic umbrella control cord mechanism
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Umbrella having automatic opening and closing means
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Safety runner used in umbrellas
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Runner for telescopic folding umbrella
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Reinforced inner tube for telescopic umbrella
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Umbrella having means for opening and closing the same automatically
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