Ferrous metallurgy
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
McGraw-Hill book co.
1944.
|
| Cyfres: | The Pennsylvania state college. Mineral industries series.
|
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
McGraw-Hill book co.
1944.
|
| Cyfres: | The Pennsylvania state college. Mineral industries series.
|