作者: John F. Ludemann , Henry A. Besanceney , Alberto Del Biondi
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摘要: Footwear including an upper sized and shaped for covering a human foot of predetermined size. The has lower edge defining boundary the opening through which is inserted when positioning footwear on foot. A waterproof vapor-permeable sheet having outer shape corresponding to stitched upper. An interior surface define into inserted, with forming bottom footwear.