| 000 | 00424nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 160316s1996 xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a346.048600 _bWOR-1 |
||
| 100 | _a | ||
| 245 | _aThe first twenty-five years of the international patent classification 1971-1996 | ||
| 250 | _a | ||
| 260 |
_aGeneva _bWorld Intellectual Property Organization _c1996 |
||
| 300 |
_a31p _b _c |
||
| 365 | _b | ||
| 650 | _a | ||
| 700 |
_a _a |
||
| 999 |
_c17633 _d17633 |
||