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Telephone exchanges. Information tone signal parameters
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Model of construction works data organization. Framework for management of design information
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Single pole sockets and plugs with contact diameter 1,6 and 4,0 mm. Specifications
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Digital video broadcasting. Service Information (SI). General technical requirements
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Information technologies. Telecommunications management network. Enhanced Telecom Operations Map (eTOM). Process decompositions and descriptions. Operations. Service management and operations. eTOM level 3 processes. Process 1.1.2.4 - Service quality management
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