State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of length in the range from 1·10-9 to 50 m and wavelength in the range from 0, 2 to 50 mkm
Electromagnetic compatibility of technical equipment. Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16 A. Limits and test methods
€10
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