Units for automatic welding of plugs and covers of ball valves
| Autor: | Maslennikov, S. N. |
|---|---|
| Zdroj: | Chemical and Petroleum Engineering; February 1980, Vol. 16 Issue: 2 p142-143, 2p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
| Autor: | Maslennikov, S. N. |
|---|---|
| Zdroj: | Chemical and Petroleum Engineering; February 1980, Vol. 16 Issue: 2 p142-143, 2p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
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