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Civil defense. Ensuring the constant readiness of civil defense forces and means. General requirements
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State system for ensuring the uniformity of measurements. Optics and optical instruments. Field procedures for testing geodetic and surveying instruments. Part 1. Theory
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Nondestructive testing. Measurement of rupture and corrosion by a superficial activation method
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Hydroelectric power plants. Hydrotechnical structures. Gates and trash screens. General technical conditions
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