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Railway applications. Welding of railway vehicles and components. Part 2. Quality requirements and certification of welding manufacturer
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Full form screw ring-gauges for pipe cylindrical threads from 4' up to 6' nominal diameter. Construction and basic sizes
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Microbiology of food and animal feeding stuffs. Methods for the detection and colony count of yeasts and moulds
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Waste of building materials from demolition of buildings. Requirements for waste management of mineral wool materials
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