✦ LIBER ✦
Computer-based patent searches: Using the IPC or free text?
✍ Scribed by Hanns Bechtel
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 694 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0172-2190
No coin nor oath required. For personal study only.