| http://www.w3.org/ns/prov#value | - One example of such construction is in U.S. Pat. No. 1,466,617 to Foster, entitled COVERED SPRING STRUCTURE, discloses a tubular covering formed on flexible material such as cotton cloth or the like, provided by bringing opposite edges of a long strip of cloth together and sewing through both layers of cloth near the adjacent edges by a row of stitches.
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