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0.285mm round hole pcd wire drawing die
1.2mm round hole pcd wire drawing die
0.298mm square Polycrystalline Diamond w
0.303mm square hole Polycrystalline Diam
0.353mm square hole Polycrystalline Diam
0.565mm square hole Polycrystalline Diam
0.451mm square hole Polycrystalline Diam
0.654mm square hole Polycrystalline Diam
0.787mm square hole pcd drawing die for
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Sandra 
Sandra Zhang