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High purity substances. Method for concentration of microimpurities by extraction
Document status: Active
Industrial automation systems and integration. Product data representation and exchange. Part 1122. Application module. Document assignment
Document status: Active
Plastics piping systems for water supply, and for drainage and sewerage under pressure. Polyethylene (PE). Part 1. General requirements
Document status: Active
Nickel. Cobalt. Method for determination of aluminium
Document status: Replaced by GOST 13047.19-2014