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Geiß, D.: Aus der Praxis der Patentinformation : Teil 1: Neue Entwicklungen bei den Internetprovidern (2007) 6.68

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Field: Patentinformation

Vijvers, W.G.: ¬The International Patent Classification as a search tool (1990) 6.68

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Field: Patentinformation

Hartung, V.: ¬Das Patentinformationssystem PATIS des Deutschen Patentamtes (1995) 6.68

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Field: Patentinformation

Myers, J.S.: Patent images on CD-ROM : numeric vs. classified sets (1992) 6.68

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Field: Patentinformation

Nuyts, A.; Jonckheere, C.: Automated patent searching in the EPO : from online searching to document delivery (1996) 6.68

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Field: Patentinformation

Kaback, S.M.: ONLINE patent information : who needs indexing? We do, naturally! (1992) 6.68

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Field: Patentinformation

Wittmann, A.: Classifying and indexing of patent documents : a retired patent documentalist looks back (1994) 6.68

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Field: Patentinformation

Hansson, B.; Makarov, M.: ¬The sixth edition of the IPC (1995) 6.68

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Field: Patentinformation

Schweikhardt, F.: Some thoughts on hybrid systems especially for patent documentation (1989) 6.68

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Field: Patentinformation

Spear, B.: Patent information on the Internet (1996) 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

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

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

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Field: Patentinformation

Jialian, S.: Technical subjects analysis of Chinese patents according to IPC (1994) 6.68

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Field: Patentinformation

Vries, S. de: Points of interest concerning the new IPC (1989) 6.68

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Field: Patentinformation

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