| http://www.w3.org/ns/prov#value | - The plastic substrate is not particularly limited as far as it can be formed into a sheet or a film, and examples include a polyolefin film such as polyethylene, polypropylene, poly-1-butene, poly-4-methyl-1-pentene, a polybutadiene film, a polymethylpentene film, an ethylene-propylene copolymer, an ethylene-1-butene copolymer, an ethylene-vinyl acetate copolymer, an ethylene-ethyl acrylate copoly
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