多钻头连接结构
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高锐度地质钻头:创新制造方法
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仿生镶嵌钻石钻头:矩阵焊接与固定装置
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用于钻具组件加工的喷涂装置
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宣布核心钻头研磨装置及方法
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用于钻头生产的高效检测设备
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用于钻头生产的材料熔化装置
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钻头生产质量检测设备
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[外观设计专利] 钻头 (75 直)
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
[外观设计专利] 钻头 (92 螺旋)
Li Xiaohuan Li Zhongyong Patents and innovation