✦ LIBER ✦
Device with programmed control for drilling parallel-series linear rows of holes
✍ Scribed by V. I. Ostapenko
- Publisher
- Springer
- Year
- 1970
- Tongue
- English
- Weight
- 62 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0009-2355
No coin nor oath required. For personal study only.