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Fertilizers. Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
Document status: Active
Silica brick refractories. Specifications
Document status: Replaced by GOST 4157-2023
Safety in emergencies. Monitoring and forecasting of dangerous hydrological phenomena and processes. General requirements
Document status: Active
Sauces based on vegetable oils. General specifications
Document status: Active
Petroleum and natural gas industry. Subsea production systems. Testing of unalloyed steels for hydrogen sulfide cracking. General principles
Document status: Active