Results forcng type 2 cylinderfrom 602 Products.
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Professional 400-3000mm diameter design, according to the diameter of the drill bucket and the type of drilling rig and the drilling strata will be designed for straight or conical ...
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APFDCBRT Bulldozes Core Barrel Structural features: The rock drill bit is a ring-shaped cylinder without a bottom plate Applicable strata: Very hard rock, reinforced concrete, and ...
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