Brattice-Window-Method for measuring leakage through mine stoppings.
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
[Washington]
U.S.Dept.of the Interior,Bureau of Mines
1977
|
| Cyfres: | Report of investigations
8240 |
| Tagiau: |
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
|
| Order eBook: |
|
| Order Book: | Login to order |