Heating hot-water boilers with capacity from 0,1 to 4 MW. General specifications
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Resources saving. Wastes treatment. Terms and definitions
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Electrical apparatus for explosive gas atmospheres. Part 16. Artificial ventilation for the protection of analyzer(s) houses
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Electrical apparatus for explosive gas atmospheres. Part 3. Spark-test apparatus for intrinsically-safe circuits
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Corrosion-resistant (stainless) steel billets for cast dentures of orthopedic dentistry. General specifications
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Tractive railway rolling stock. Springs of spring suspensions
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