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Electromagnetic compatibility of technical equipment. Industrial, scientific, medical and domestic (ISMD) high-frequency equipment. Radio disturbance. Limits and methods of measurement
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Camera lens. Method for measurement of the longitudinal spherical aberration
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Mechanical structures for radio-electronic equipment. Subracks and associated plug-in units. Dimensions of mechanical structures of the 482,6 mm (19 in) series
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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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Fixed aluminium capacitors with non-solid electrolyte. General specifications
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Reprography. Micrography. Readers and reader-printers. Types
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