| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| MT/T 639-2019 | English | 229 |
Add to Cart
|
Days<=3
|
(Measuring method of initial velocity of gas eruption in borehole)
|
MT/T 639-2019
| Valid |
MT/T 639-2019
|