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Information technology. Computing information systems. Computer-based equipment for school. Quality characteristics. Technical requirements

Document status: Active

Transmitting stationary antennas for television and broadcasting stations of VHF and UHF frequency bands. Classification. Technical requirements. Test methods

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Sound broadcasting digital. Coding of signals of sound broadcasting with reduction of redundancy for transfer on digital communication channels. A part III (MPEG-4 audio). General audio coding (GA) - AAC, TwinVQ, BSAC

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Photography. Slide projectors. Determination of temperature rise in the picture area using a glass sandwich test slide

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Industrial radio frequency interference generated by domestic electrical appliances used in residential buildings, or connected to domestic power sources

Document status: Withdrawn

Transistors bipolar. Methods for measuring noise figure at low frequencies

Document status: Active