| Type of publication: | Journal
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| Language: | German |
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| Other identifiers: | 502739-1 [ZDB] |
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| Classification: | Brandenburg, Preußen, Berlin ; Kommunikationsdienste, Fernmeldetechnik |
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| Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10000361915