prov:value
| - Listed as materials for said protective layer may be polymers such as polymethyl methacrylate, acrylic acid/methacrylic acid copolymers, styrene/anhydrous maleiimide copolymers, polyvinyl alcohol, poly(N-methylolacrylamide), styrene/vinyl toluene copolymers, nitrocellulose, polyvinyl chloride, chlorinated polyolefin, polyester, polyimide, vinyl acetate/vinyl chloride copolymers, ethylene/vinyl ace
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