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United power system and isolated power systems. Relay protection and automation. Differential phase protection of power lines at voltage 110–220 kV. Testing

Document status: Active

Hexagonal socket flat-point set screws. Product grades A and B. Specifications

Document status: Withdrawn

Fresh lettuces, curled-leaved endives and broadleaved (batavian) endives. Specifications

Document status: Cancelled

Information technology. Biometrics. Guidance for biometric enrolment

Document status: Active

Straight stroke working mechanisms SSI. Joint points for controls. Sit dimensions

Document status: Active

State system for ensuring the uniformity of measurements. Scanning electron microscopes

Document status: Active