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US07964295B2 Coated cutting inserts 有权
涂层切削刀片

Coated cutting inserts
Abstract:
The present invention relates to a cutting insert comprising a body of sintered cemented carbide, cermet or ceramic or high speed steel or the superhard materials such as cubic boron nitride or diamond said body being provided with a hard and wear resistant coating including a thin outermost coloring non-oxide layer whereby said color is created by thin film interference.
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