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Concrete and reinforced concrete structures. Acoustic emission monitoring

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Trunk pipeline transport of oil and oil products. Membranes of valves and hydropneumatic accumulators for pressure wave smoothing systems. General specifications

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High-speed photographic registration. Terms and definitions

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Safety of information. System of standards. Basic principles

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Pipeline valves. Forgings, die forgings and rolled stocks. Technical requirementsPipeline valves. Forgings, die forgings and rolled stocks. Technical requirements

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Subland twist drills for holes to screw with fillister head. Basic dimensions

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