The economics of the international patent system
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Baltimore
John Hopkins Press
1951.
|
| Saila: | Johns Hopkins University studies in historical and political science. Extra volumes. New ser.
no.30 |
| Gaiak: |