✦ LIBER ✦
A new rough surface hardness test for metals based upon full indentation of a ball
✍ Scribed by G. U. Oppel
- Book ID
- 110554953
- Publisher
- Springer
- Year
- 1958
- Tongue
- German
- Weight
- 698 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0015-7899
No coin nor oath required. For personal study only.