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Coating materials. Corrosion protection of steel structures by coating systems. Part 5. Protective paint systems
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Unified system for design documentation. Graphic identifications in schemes. Quantum generators and amplifiers
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Hypsometric tables for geopotential altitudes up 50000 m. Characteristics
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Optics and photonics. Lenses for optical electronic systems. Method for measuring numerical aperture
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Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 3. Fusion welding of non-alloyed and low-alloyed castirons
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