| 000 | 00413cam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 180718b1951 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aU24 P386 | ||
| 100 | _aPenrose, Edith Tilton | ||
| 245 |
_aThe economics of the international patent system _cby Edith Tilton Penrose |
||
| 260 |
_aBaltimore _bThe Johns Hopkins Press _c1951 |
||
| 300 | _axv, 247p. | ||
| 650 | _aPatents (International law) | ||
| 650 | _aPatents | ||
| 999 |
_c435313 _d435313 |
||