| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 51421-2020 | English | RFQ |
ASK
|
Days<=3
|
Technical standard of communication pole line engineering for aerial optical(copper)cable
|
GB/T 51421-2020
| Valid |
GB/T 51421-2020
|