Oldfield revision and codification of the patent statutes - hearing before the Committee on Patents, House of Representatives, on H. R. 23417, April 17 1912
- Författare
- United States
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| Government Printing Office | 1912 | USA, Washington, D.C | 1 vol. |