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rustproof Tungsten Carbide Buttons For Oil Field Drilling

Hunan Boyun-Dongfang Powder Metallurgy Co., Ltd
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rustproof Tungsten Carbide Buttons For Oil Field Drilling

rustproof Tungsten Carbide Buttons For Oil Field Drilling

Conical buttons for medium and low pressure DTH drilling Conical buttons for medium and low pressure DTH drilling Type D H SR Dimension θ° α° β° SZ12×18A 12.35 18 4.8 55 20 28.0 SZ12*18 12.35 18 4.5 ...

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