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United power system and isolated power systems. Relay protection and automation. Distance and overcurrent protection of power lines and utilities 330 kV and above. Testing
Document status: Active
Ceramic ware in contact with food. Release of lead and cadmium. Method of test
Document status: Withdrawn
Footwear. Critical substances potentially present in footwear and footwear components. Test method to quantitatively determine dimethyl fumarate in footwear materials
Document status: Active
System of design documents for construction. Symbol graphics elements of buildings, works and structures
Document status: Active
