| 000 | 00420nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 250114s9999 xx 000 0 und d | ||
| 040 | _aJamia Hamdard | ||
| 041 | _aEnglish | ||
| 082 |
_a608 _bA42P |
||
| 100 | _aAmdur, Leon H. | ||
| 245 | 0 |
_aPatent fundamentals _bby Leon H. Amdur. |
|
| 260 |
_aNew York _bChemical Publishing _c1941 |
||
| 300 | _a305p., 80 pict. 20cm. | ||
| 650 |
_aPatents _bTrademarks. |
||
| 942 | _cBK | ||
| 999 |
_c95523 _d95523 |
||