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Information technology. Security techniques. Information security management guidelines for telecommunications organizations based on ISO/IEC 27002
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Electromagnetic compatibility of technical equipment. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 1. General requirements, frequency bands and electromagnetic disturbances
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Mechanical structures for electronic equipment. Outdoor enclosures. Part 3. The environmental demands concern, testing and safety
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Electromagnetic compatibility of technical equipment. Electromagnetic compatibility technical requirements. Contents
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Facsimile copies of newspaper pages. Technical requirements
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Control devices and systems for railway traction rolling stock. Software requirements
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