A device for assembling and tack welding the disks of the wedge of gate valves
| Autor: | Maslennikov, S. N. |
|---|---|
| Zdroj: | Chemical and Petroleum Engineering; May 1978, Vol. 14 Issue: 5 p471-471, 1p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
| Autor: | Maslennikov, S. N. |
|---|---|
| Zdroj: | Chemical and Petroleum Engineering; May 1978, Vol. 14 Issue: 5 p471-471, 1p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
|
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