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Air-cooled air conditioners and air-to-air heat pumps. Testing and calculating methods for seasonal performance factors. Part 3. Annual performance factor

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Reinforced concrete pipes for non-trenched installation of engineering nets. Specifications

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Petroleum and natural gas industry. Subsea production systems. Limit state categories

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Steel sections for window and lantern transoms and window panels of industrial buildings. Specifications

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Rayon dope-dyed yarn produced by bobbin method. Specifications

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Basic norms of interchangeability. Cone joining system of limits and fits

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