000 | 00411naa a22001577c 4500 | ||
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001 | 8456 | ||
003 | OSt | ||
005 | 20190814161045.0 | ||
007 | t| | ||
008 | 190702s xxu||||| |||| 00| 0 d | ||
100 | 1 | _aValkonen, Pekka | |
700 | 1 | _aNykänen, Olli | |
245 | 0 | 0 | _aAn expert system for patent classification |
650 |
_aInternationale Patentklassifikation _92098 |
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773 | 0 |
_aWPI. 13(1991),3,143-148. _wz_WPI |
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999 |
_c5276 _d5276 |