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Field measurement of sound insulation of building elements using sound intensity

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Seamless steel pipes for transportation of hydrogen gas. Technical specificationsv

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Steel welded pipes for transportation of hydrogen gas. Technical specifications

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Seamless steel cylinders for working pressure up to 40,0 MPa (407,9 kgf/cm2) with capacity not exceeding 500 l for transportation, storage and use of gaseous hydrogen. General specifications

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Steel pipes, lined inside with a polyethylene shell. Specifications

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Non-destructive testing of welded joints of thermoplastics semi-finished products. Part 1. Visual examination

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