State system for ensuring the uniformity of measurements. Measurements of liquids and gases flow rate and quantity by means of orifice instruments. Verification of measurement procedure
State system for ensuring the uniformity of measurements. Single-crystal silicon nanometer range relief measures. Requirements for geometrical shapes, linear sizes and manufacturing material selection
Rotating electrical machines. Asynchronous explosion-proof motors of power from 0,25 to 400 kW inclusive. General technical requirements and test methods
€10
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