| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 20478.1-2018 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Pressure Vessel Nuclear Power Plant Reactor Pressure Vessel Sealing Ring Technical Specifications Part 1: O-Ring Sealing Rings)
| Valid |
NB/T 20478.1-2018
|