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- ghbs_ss%3a%221s %28W%29%22 2
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Schramm, R.; Höhne, M.: Patentdatenbanken und Patentlieferdienst im Internet : Thüringer Patentnetz versorgt die Industrie (2000)
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- Date
- 16.12.2000 19:31:29
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Schramm, R.: Patentinformation (2004)
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- Date
- 5. 4.2013 10:22:32