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Improvements in the coupling Systems of taphole Drilling Rods of the Working Tool of a Drilling Machine.
Improvements in the coupling Systems of taphole Drilling Rods of the Working Tool of a Drilling Machine.
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机译:改进了钻床作业工具的出铁孔钻杆的联接系统。
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摘要
Coupling device of a Drilling Rod to the taphole working Tool of a Drilling Machine.Includes a block formed by a compartment (10) reserved for the Cat, another (12) that has a boring (16) to receive t
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