| http://www.w3.org/ns/prov#value | - For example, these layers may comprise a non-woven web made of a mixture of fibers consisting predominantly of inexpensive, short, cellulosic fibers such as wood pulp fibers or cotton linters in amounts of about 75 percent to 98 percent, with the balance being textile length fibers such as rayon as described in U.S. Pat. No. 3,663,348, to Liloia, et al.
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