| http://www.w3.org/ns/prov#value | - By polyimide film is meant a layer of polyimide, as previously described, or polyimide that contains reinforcing and/or filler material such as natural or synthetic fibers such as fiberglas, boron, polyester, polyamide, acrylic, etc.; woven or non-woven fabrics made from natural orsynthetic fibers such as any of the foregoing; particles such as silica, silicates, carbon black, carbonates, metals,
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