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Gauges for triangular thread of internal-external upset drill pipes with coup lings. Types, basic dimensions and tolerances
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Hand-held motor-operated electric tools. Safety and test methods. Part 2-23. Particular requirements for die grinders
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Petroleum and natural gas industry. Subsea production systems. Design and pressure rating determination of subsea equipment with consideration about external pressure
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Computing technique. Classification and system of conditional designations
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Groats. Method for determination of acidity of oat flakes
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