| 000 | 00407naa a22001577c 4500 | ||
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| 001 | 2757 | ||
| 003 | OSt | ||
| 005 | 20190814160754.0 | ||
| 007 | t| | ||
| 008 | 190702s xxu||||| |||| 00| 0 d | ||
| 100 | 1 | _aBruun, Anders | |
| 245 | 0 | 0 | _aDevelopment of the IPC as a search tool |
| 650 |
_aInternationale Patentklassifikation _92098 |
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| 650 |
_aVorprüfung _94887 |
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| 773 | 0 |
_aWPI. 21(1999),2,97-100 _wz_WPI |
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| 999 |
_c1304 _d1304 |
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