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| 005 | 20250425161714.0 | ||
| 008 | 250425s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 | _a346.730486 | ||
| 100 | _aMAYNARD, JOHN T | ||
| 245 | 0 | _aUNDERSTANDING CHEMICAL PATENTS | |
| 250 | _aS.E. | ||
| 260 |
_aEstados Unidos _bS.E. _c1978 |
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| 260 | _aS.L. | ||
| 300 | _a146 | ||
| 942 | _c01 | ||
| 010 | _a26267 | ||
| 999 |
_c214442 _d214442 |
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