New butterfly valve design
| Autor: | Goldenberg, I. B., Dikshtein, E. I. |
|---|---|
| Zdroj: | Metallurgist; February 1957, Vol. 1 Issue: 2 p113-114, 2p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
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| Autor: | Goldenberg, I. B., Dikshtein, E. I. |
|---|---|
| Zdroj: | Metallurgist; February 1957, Vol. 1 Issue: 2 p113-114, 2p |
| Databáze: | Supplemental Index |
| Externí odkaz: |
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