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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). Audio lossless coding

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Information technology. Open systems interconnection. Virtual terminal basic class protocol. Part 1. Specification

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Reprography. Micrography. Symbols for projecting

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Integrated circuits. General specifications

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Typewriters. Arrangement of keys and symbols on keyboard

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Printed boards. General technical requirements for the construction and acceptance

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