| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11568.39-2024 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Calibration procedures for geotechnical testing instruments and equipment for hydropower projects - Part 39: Rock ultrasonic parameter determination instrument)
| Valid |
NB/T 11568.39-2024
|