International classification of patents for invention under the European Convention of 19th December 1954
- Författare
- Council of Europe
- (Committee of Experts on Patents.)
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| The Committee | 1963-1966 | Frankrike, Strasbourg | 8 v. in 9. |