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| 082 |
_a608.773 _bW119pa |
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| 100 | _aWade, Worth | ||
| 245 | 1 | _aPATENT GUIDE FOR THE RESEARCH DIRECTOR | |
| 260 |
_aArdmore, Pa. _bAdvance House _cc1964 |
||
| 300 | _a72 | ||
| 650 | _aPatent Laws And Legislation -- U. S. -- Popular Works | ||
| 964 | _gCIRC | ||
| 997 | _aK1213 s C | ||
| 999 |
_c386757 _d386757 |
||