发明授权
EP0054846B1 Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers and process for making same 失效
使用尺寸选择性磨料颗粒层和其制造方法的钻石和CUBIC BORON NITRIDE磨料精炼

Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers and process for making same
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