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Unified system for program documentation. Description of use. Requirements for contents and form of presentation
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Control signals, line and acoustic signals of the single frequency signalling system for the trunk and intrazone telephone network. Electrical parameters and measuring methods
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Reference diodes. Methods for measuring differential resistance
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Information technology. International standardized profiles AFTnn. File transfer access and management. Part 6. AFT3 - file management service
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Direct broadcasting satellite television programmes reception installations. Classification. Basic parameters. Technical requirements. Methods of measurement
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