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Welding. Laser-arc hybrid welding of steels, nickel and nickel alloys. Quality levels for imperfections
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Petroleum and natural gas industries. Design and operation of subsea production systems. Part 7. Completion/workower riser systems
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Steel bent closed welded square and rectangular sections. Specifications
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State system for ensuring the uniformity of measurements. Installations of the highest accuracy for the reproduction of physical quantity units. Order of development, certification, registration, storage and application
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Petroleum and natural gas industry. Subsea production systems. Equipment for underwater work. Uninhabited underwater vehicles
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