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数字同步网工程设计规范(附条文说明)
Specifications of Engineering Design for Digital Synchronization Network
价格:¥0.00
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SDH光缆通信工程网管系统设计规范
Design Specification of Network Management System of SDH Optical Fiber Cable Telecommunication Project
价格:¥0.00
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公用计算机互联网工程验收规范
Acceptance Specification for Internet Engineering
价格:¥0.00
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光缆线路自动监测系统工程设计规范(附条文说明)
Design Specification of Engineering for Optical Fiber Cable Automatic Monitoring System
价格:¥0.00
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SDH本地网光缆传输工程设计规范(附条文说明)
Design Specification for SDH Local Network Optical Fiber Cable Transmission Project
价格:¥0.00
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海底光缆数字传输系统工程设计规范
Engineering Design Specification for Fiber Optic Submarine Cable Transmission System
价格:¥0.00
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工业企业程控用户交换机工程设计规范
价格:¥0.00
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工业企业扩音通信系统工程设计规程
价格:¥0.00
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工业企业调度电话和会议电话工程设计规范
价格:¥0.00
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