Primary cementing [slaid]
20
| Materiálatiipa: | |
|---|---|
| Almmustuhtton: |
Austin, Texas : Petroleum Extension Service, The University of Texas at Austin,
1977
|
| Fáttát: |
20
| Materiálatiipa: | |
|---|---|
| Almmustuhtton: |
Austin, Texas : Petroleum Extension Service, The University of Texas at Austin,
1977
|
| Fáttát: |