| http://www.w3.org/ns/prov#value | - This invention relates to novel highly hard material coated articles and more particularly, it is concerned with highly hard articles, for example, cutting tools such as turning tools and cutters, wear resisting tools such as metallic molds and wire drawing dies, wear parts such as bearings and cams, and decorations such as watch frames, coated for the purpose of raising the wear resistance, heat
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