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Picture tubes for TV. Methods for measurement of screen brightness and uniformity of screen brilliancy
Document status: Active
Gas-discharge sign-synthesizing indicators. Method of frequency time measuring characteristics
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Electromagnetic compatibility of technical equipment. Immunity of measuring relays and protection equipment to electrostatic discharges. Requirement and test methods
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Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 2-3. Immunity requirements for mains communications equipment and systems operating in the range of frequencies 3 kHz to 95 kHz intended for use by electricity suppliers and distributors
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Photographic gelatine. Method of determination of hydrogen ions concentration
Document status: Active
Complex system of general technical requirements. Electronic components. System of technical conditions
Document status: Active