Pengaruh pemanasan dengan nyala api las oxy-acetylene terhadap tingkat kekerasan baja karbon k-990
| Main Author: | Heider, John |
|---|---|
| Format: | TEXT |
| Language: | S 693.97 Sun p |
| Published: |
PPM
|
| Main Author: | Heider, John |
|---|---|
| Format: | TEXT |
| Language: | S 693.97 Sun p |
| Published: |
PPM
|