YD/T 1528-2006.Technical requirements for optical fiber transceiver.1范围YD/T 1528...

行业标准2023.07.31

YD/T 1447-2006.Plastic Optical Fibre for Communication.1范围YD/T 1447规定了具有塑料芯和塑料包层...

行业标准2023.07.31

YD/T 1437-2006.Digital distribution frame.1范围YD/T 1437规定了数字配线架的定义、名、要求、试检方法、检验规则...

行业标准2023.07.31

YD/T 1429-2006.Performance requirements and Testing Methods for Lightning Protec...

行业标准2023.07.31

YD/T 5092-2000.Interim Provisions of Engineering Design for the Long-Distance Op...

行业标准2023.07.31

YD/T 5090-2005.Acceptance Specification of Equipment Installation for Digital Sy...

行业标准2023.07.31

YD/T 5089-2005.Specifications of Engineering Design for Digital Synchronization...

行业标准2023.07.31

YD/T 5087-2005.Acceptance Specification of Intelligent Network Engineering.1总则1....

行业标准2023.07.31

YD/T 5086-2000.Provisional Supervision Specification of Equipment Installation E...

行业标准2023.07.31

YD/T 5117-2005.Provisional Specification of Engineering Design for Broadband IP...

行业标准2023.07.31