Main pipeline gas transportation Non-destructive testing of tees and tee connections of technological pipelines of compressor stations Assessment standards and methods of work
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Oil refining and petrochemical industry. INSTALLATION OF CATALYTIC REFORMING AND HYDRO-CLEANING. Operation and inspection of equipment
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Oil refining and petrochemical industry. APPLICATION OF GLUE COMPOSITIONS
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Gas cylinder valves for cylinder test pressures up to 300 Pa. Part 1. INLET AND OUTLET VALVE CONNECTIONS
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General purpose metal throttle valves
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Industrial valves Methods for measuring, testing and evaluating pollutants emitted to the atmosphere outside the chimney system Part 2 Valve acceptance tests in production
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Industrial valves Pressure testing of metal valves
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Hydraulic drives. pressure reducing valves, sequence valves, unloader, butterfly and check valves
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General purpose steel ball valves
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