Drill rods. Dimensions of fitting cone for drilling bits
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Hard-metals bits for core exploratory drilling in medium hard. Specifications
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Portable rock drills. Drill rod shanks and chucks. Types and dimensions
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Occupational safety standards system. Drilling equipment. Safety requirements
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Occupational safety standards system. Rigs for drilling exploration and hydrogeological holes. Safety requirements
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Occupational safety standards system. Blowout preventer equipment. Safety requirements
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Bits for air drills and rotary percussive rigs. Types and basic dimensions
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Diamond bits for drilling of exploratory wells. Main sizes
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Screw drills and vane bits for them. Types and main dimensions
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Rotary bucket quarry excavators. Ranges of basic parameters
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Rigs for blast-holes drilling in open-cast mining works
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