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Thomä, E.; Tribian, R.: Entwicklungen bei Patentdatenbanken (1995) 6.68

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Field: Patentinformation

Kübel, E.: Schwarze Löcher - nicht nur im Weltall : Lücken in Patentdatenbanken: eine Ergänzung (1996) 6.68

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Field: Patentinformation

Straus, J.: Vorhandene Informationsmöglichkeiten der Patentliteratur : ein selektiver Überblick (1982) 6.68

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Field: Patentinformation

Geiß, D.: Recherchetechniken in Patentinformationsnetzen, dargestellt am Beispiel des CD-ROM Kommunikationsnetzes des Informationszentrums Technik und Patente der Universitätsbibliothek Dortmund (1996) 6.68

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Field: Patentinformation

Bresemann, H.-J.; Zimdars, J.; Skalski, D.: Wie finde ich Normen, Patente, Reports : ein Wegweiser zu technisch-naturwissenschaftlicher Spezialliteratur (1995) 6.68

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Field: Patentinformation

Krause, J.: Zur Wahl der Texterschließungskomponente für ein deutsches Patentinformationssystem : Kontroverses zur Bilanz von D. Geiß 'Entwurf für ein deutsche Patentinformationssystem' in den NfD 5/1988 (1989) 6.68

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Field: Patentinformation

Herbig, E.: ¬Die Internationale Patentklassifikation (1978) 6.68

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Field: Patentinformation

Rozov, B.: About patent classification (1993) 6.68

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Field: Patentinformation

Adams, A.: Using the International Patent Classification in an online environment (2000) 6.68

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Field: Patentinformation

Schiffels, R.: Kategorien der Internationalen Patentklassifikation, insbesondere hinsichtlich der Einordnung von Produkten (1982) 6.68

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Field: Patentinformation

Internationale Patentklassifikation (1974 ff.) 6.68

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Field: Patentinformation

Vacek, G.: Japanese patent information (1994) 6.68

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Field: Patentinformation

Blake, P.: ¬The arrival of free patent information : Internet provision of patent information for free is affecting vendors (1998) 6.68

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Field: Patentinformation

Makarov, M.: ¬The seventh edition of the IPC (2000) 6.68

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Field: Patentinformation

Karki, M.M.S.: Patent citation analysis : a policy analysis tool (1997) 6.68

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Field: Patentinformation

Poynder, R.: Patent information on the Internet (1998) 6.68

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Field: Patentinformation

Gesell, J.: Neuauflage der Internationalen Patentklassifikation : incompatibility issues of library classification systems and subject headings in subject cataloguing (1986) 6.68

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Field: Patentinformation

Dickens, D.T.: ¬The ECLA classification system (1994) 6.68

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Field: Patentinformation

Gottschalk, G.: Alternativen und Ergänzungen zu Patent-Online-Recherchen (1992) 6.68

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Field: Patentinformation

Tittlbach, G.: ¬Die Integration von Zeichnung und Text im Deutschen Patentinformationssystem (1986) 6.68

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Field: Patentinformation

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