✦ LIBER ✦
Surface structure of drill bit parts worked by two-stage group grinding
✍ Scribed by A. N. Bekrenev; D. D. Papshev; A. A. Akchurin; A. N. Filin
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 210 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0009-2355
No coin nor oath required. For personal study only.