| http://www.w3.org/ns/prov#value | - Metals such as chrome, copper, aluminum, gold, molybdenum, nickel, silver, platinum, iron, titanium, zinc, tungsten and tin, or one layer or the compound thin film layer which are made of alloys or the like including the metals, a thin film or the like obtained by adding an electroconductive fine powder such as carbon black to an electroconductive metal compound and a polymeric material are used a
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