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Melted welding fluxes. Methods of calcium fluoride determination
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Electric power systems. Operational dispatching control. Automatic emergency control of operation of power systems. Emergency automatics control of power systems. Norms and requirements
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Periodic sections produced by cross-helical rolling for semi-shafts of turbo-compressors. Dimensions
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Textiles. Professional care, dry-cleaning and wet cleaning of fabric and garments. Part 3. Procedure for testing performance when cleaning and finishing using hydrocarbon solvents
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