✦ LIBER ✦
How new must patent information be if it is not to be too old?
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 122 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0172-2190
No coin nor oath required. For personal study only.
No coin nor oath required. For personal study only.