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Pipeline valves. Gaskets of oval, octagonal section, lens steel for valve flanges. Design, dimensions and general technical requirements
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Automobile roads of general use. Bridge constructions. Moving loads in seismic calculations
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Refrigeration systems and heat pumps. Pressure equipment. Part 2. Piping. General requirements
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Technical diagnostics. Without standards calibration of equipment for measuring the stress-strain state of structural materials. General requirements
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