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Sound system equipment. Part 11. Application of connectors for the interconnection of sound system components
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Information protection. Conformance testing of technical information processing facilities to unauthorized access protection requirements. Methods and techniques
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Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 2-2. Immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in industrial environments
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Reprography. Micrography. Microforms with diazofilms. General technical requirements and methods of control
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