State system for ensuring the uniformity of measurements. National standard. Standard reference data. Copper-zinc alloys. Temperature coefficient of linear expansion and electrical resistivity for the temperature range from 300 K to 2/3 temperature of melting
Rectangular iron all-cast moulding boxes having inside dimensions: length from 900 to 1200 mm, width 700; 800 mm, height from 150 to 400 mm. Construction and dimensions
State system for ensuring the uniformity of measurements. State primary standard and state verification schedule for means of measuring electrical quality factor
