Set for the conventional coring
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Designed to connect special core barrels with 110 hammer bayonet joint.
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It is designed to connect special core barrels with 130 hammer bayonet joint.
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It is designed to connect pipes of pneumatic percussion core barrel and drill string.
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It is designed to connect pipes of pneumatic percussion core barrel and drill string.
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It is designed for accumulation of the core, with further transportation to the surface. Pipe thick-walled seamless steel strength group D and K.
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