| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 51242-2017 | English | RFQ |
ASK
|
Days<=13
|
Code for Engineering Design of Synchronous Digital Hierarchy (SDH) Optical Fiber Transmission System
|
GB/T 51242-2017
| Valid |
GB/T 51242-2017
|