✦ LIBER ✦
New design of the gripping part of automatic drilling tongs with two-stage self-adjustment of the serrated elements
✍ Scribed by N. P. Umanchik; V. P. Belugin; A. G. Shestov
- Publisher
- Springer
- Year
- 1989
- Tongue
- English
- Weight
- 504 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0009-2355
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