| http://www.w3.org/ns/prov#value | - rporationArticle having a protective and decorative multilayer coatingUS6033790 *30 Apr 19977 Mar 2000Masco CorporationProtective coating having improved acid resistance comprising: nickel layer; layer comprised of zirconium, titanium or zirconium-titanium alloy; sandwich layerUS6106958 *30 Apr 199722 Aug 2000Masco CorporationCoating provides color of brass to articles such as door knobs, handles,
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