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| 100 | 1 | _aHansson, Bo | |
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_aThe IPC:CLASS CD-ROM : _ba new search system in the patent information field |
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_aCD-ROM _9577 |
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_aPatentdokumentation _93575 |
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| 650 |
_aInternationale Patentklassifikation _92098 |
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| 773 | 0 |
_aWPI. 14(1992),4,227-230. _wz_WPI |
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_c3945 _d3945 |
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