YD/T 2843-2015.The technical specifications for tracing method based on Radius.1...

行业标准2023.08.08

YD/T 322-2013.Local telecommunication cable with polyolefin insulated copper con...

行业标准2023.08.07

YD/T 839.1-2015.Filling compounds and flooding compounds for telecommunication c...

行业标准2023.08.07

YD/T 810-1996.1范围YD/T 810规定了首日封的定义、品种规格、技术要求、试验方法、检验规则和包装、标志、贮存。YD/T 810适用于通过邮政部...

行业标准2023.08.07

YD/T 809-1996.1范围YD/T 809规定了邮资信封的定义、品种规格、技术要求、试验方法、检验规则和包装、标志、贮存。YD/T 809适用于邮政通信...

行业标准2023.08.07

YD/T 640-2012.General requirements and test methods for radio-frequency connecto...

行业标准2023.08.07

YD/T 627-2012.Parameters,transmission characteristics and test methods of the di...

行业标准2023.08.07

YD/T 841.4-2016.Plastic duct for telecommunication underground conduit Part 4: S...

行业标准2023.08.07

YD/T 841.3-2016.Plastic duct for telecommunication underground conduit Part 3: D...

行业标准2023.08.07

YD/T 841.2-2016.Plastic duct for telecommunication underground conduit Part 2: S...

行业标准2023.08.07