http://www.w3.org/ns/prov#value | - papers available from companies such as Scholler Technical Papers, Inc. and the like, Examples of substantially transparent substrate materials include polyesters, including Mylar???, available from E.I. Du Pont de Nemours & Company, Melinex???, available from Imperial Chemicals, Inc., Celanar???, available from Celanese Corporation, polyethylene naphthalates, such as Kaladex PEN Films, available
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