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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic frequency unloading devices. Norms and requirements
Document status: Active
Ammunition and special chemistry industry. Perforated protective firing chambers for explosives facility sites. Technical requirements and strength evaluation
Document status: Active
Hexagon bolts, product grade A. Construction and dimensions
Document status: Active
State system for ensuring the uniformity of measurements. Analytical gas laboratory chromatographs. The method of verification
Document status: Cancelled