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  1. Geiß, D.: Arbeitssitzung des Arbeitskreises für Patentinformation : Teil 1 (2001) 6.68
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  2. Geiß, D.: Arbeitssitzung des Arbeitskreises für Patentinformation : Teil 2: Arbeitsgruppe Elektronische Medien in der Patentinformation (AGM) (2001) 6.68
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  3. cri: Patentschau via Internet : Münchner Amt startet kostenlosen Informationsdienst (2001) 6.68
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  4. Falasco, L.: United States Patent Classification : system organization (2002) 6.68
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  5. Rademaker, C.A.: ¬The classification of plants in the United States Patent Classification System (2000) 6.68
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  6. Jaffe, A.B.; Trajtenberg, M.: Patents, citations and innovations : a window on the knowledge economy (2002) 6.68
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  7. Rademaker, C.A.: ¬The classification of ornamental designs in the United States Patent Classification System (2000) 6.68
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  8. Gore, B.: Model schemes for DWPI access in PATLIB libraries (2000) 6.68
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  9. Hull, D.; Ait-Mokhtar, S.; Chuat, M.; Eisele, A.; Gaussier, E.; Grefenstette, G.; Isabelle, P.; Samulesson, C.; Segand, F.: Language technologies and patent search and classification (2001) 6.68
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  10. Geiß, D.: Aus der Praxis der Patentinformation : Übersicht über die Entwicklung der elektronischen Medien der Patentbehörden (2003) 6.68
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  11. Geiß, D.: Internationale, nationale und betriebliche Patentinformationssysteme : Tagungsbericht PATINFO 2001 (2001) 6.68
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  12. Rademaker, C.A.: ¬The classification of ornamental designs in the United States Patent Classification System (2000) 6.68
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  13. Geiß, D.: Aus der Praxis der Patentinformation : Übersicht über die Entwicklung der elektronischen Medien der Patentbehörden (2003) 6.68
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  14. Geiß, D.: Aus der Praxis der Patentinformation : Übersicht über die Entwicklung der elektronischen Medien der Patentbehörden, der Verlage und Internetprovider (2002) 6.68
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  15. Thielen, J. van: Online classification and indexation of documents at the European Patent Office (1998) 6.68
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  16. Wurzer, A.; Tödte, B.: Handbuch der Patentrecherche auf CD-ROM (2003) 6.68
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  17. STN baut Patentinformation aus (2004) 6.68
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  18. FIZ Karlsruhe bringt über eine Million französische Patentschriften auf STN International (2004) 6.68
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  19. Geiß, D.: Aus der Praxis der Patentinformation : Teil 1: Übersicht über die Entwicklung der elektronischen Medien bei Patentbehörden (2004) 6.68
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  20. Geiß, D.: Aus der Praxis der Patentinformation : Teil 2: Übersicht über die Entwicklung bei Datenbankherstellern und Hosts (2004) 6.68
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