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| 100 | 1 | _aCullen, Susan E. | |
| 245 | 0 | 0 | _aA practical approach to the reformed IPC |
| 650 |
_aPatentklassifikation _93471 |
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| 650 |
_aInternationale Patentklassifikation _92098 |
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| 650 |
_aPatentklassen _93467 |
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| 650 |
_aSuchstrategie _94314 |
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| 773 | 0 |
_aWPI. 31(2009),3,193-198. _wz_WPI |
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_c9760 _d9760 |
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