✦ LIBER ✦
Two-speed electric actuator for operating shutoff pipeline valves
✍ Scribed by A. D. Plotnikov; O. N. Shpakov
- Publisher
- Springer
- Year
- 1975
- Tongue
- English
- Weight
- 139 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0009-2355
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