State system for ensuring the uniformity of measurements. Management and procedure of internal metrological surveillance of the enterprises with hazardous industrial objects
State system for ensuring the uniformity of measurements. State verification schedule for means measuring instruments the magnetic loss power of soft magnetic materials
Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
State system for ensuring the uniformity of measurements. State verification scheme for measuring instruments of the content of components in gaseous media
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