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Hard coal and coke. Mechanical sampling. Part 5. Coke. Sampling from moving streams
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Mining equipment. Hydraulic jacks. General technical requirements and test methods
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Bitumens and bituminous binders. Determination of pH value of bituminous emulsions
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Petroleum products and hydrocarbon solvents. Detection of thiols and other sulfur species (doctor test)
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Bits for air drills and rotary percussive rigs. Types and basic dimensions
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