| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| NB/T 10222-2019 | English | RFQ |
ASK
|
Days<=3
|
(Tunnel connection channel freezing method construction and acceptance specification)
|
NB/T 10222-2019
| Valid |
NB/T 10222-2019
|