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Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C. Part 3. Components of concrete
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Services of professional cleaning - cleaning services. Cleaning in medical organizations. General requirements
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Welding consumables. Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels. Classification
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Technical tellurium. General requirements for methods of analysis
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