✦ LIBER ✦
Cutting variable pitch screw conveyors on a modernized screwcutting lathe
✍ Scribed by I. M. Kucher; B. A. Ershov
- Publisher
- Springer
- Year
- 1969
- Tongue
- English
- Weight
- 259 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0009-2355
No coin nor oath required. For personal study only.