Russian standards

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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Variable resistors. Low voltage method of testing of moveable contact intermediate resistance

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Television video channel of broadcast television. Channel parts and measuring signals

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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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