| http://www.w3.org/ns/prov#value | - Artificial felt materials include polyethylene terephthalate, polyesters such as polyethylene, naphthol, polyethylene, polypropylene and other polyolefins, cellulose acetate, cellulose diacetate, cellulose acetate butyrate, cellulose acetate propylate, and other cellulose derivatives, polyvinyl chloride, polyvinylidene chloride, and other vinyl resin polycarbonates, polyimide, polyether imide, pol
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