State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of alternating current from 1·10 -8 to 100 A in the frequency range from 1·10 -1 to 1·10 6 Hz
Cable trunking systems and cable ducting systems for electrical installations. Part 2-1. Particular requirements. Cable trunking systems and cable ducting systems intended for mounting on walls and ceilings
State system for ensuring the uniformity of measurements. Standard reference data. Liquid and gaseous ethane. Thermodynamic properties, dynamic viscosity and thermal conductivity at temperatures from 91 К up to 675 K and pressures up to 100 Mpa
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