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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
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Complex system of general technical requirements. Electronic components. System of technical conditions
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Plasma display panels. Part 5. General technical requirements
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