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bn:01807698n
Noun Named Entity
Categories: Telephone exchange equipment, IBM hardware
EN
IBM 1750, 2750 and 3750 Switching Systems
EN
The IBM 1750, 2750 and 3750 Switching Systems were telephone exchange systems produced by IBM from the 1960s to the 1990s. Wikipedia
Definitions
Relations
Sources
EN
The IBM 1750, 2750 and 3750 Switching Systems were telephone exchange systems produced by IBM from the 1960s to the 1990s. Wikipedia
IS A
business telephone system
DESIGNED BY
IBM
Wikipedia
EN
IBM 1750, 2750 and 3750 Switching Systems
Wikidata
EN
IBM 1750, 2750 and 3750 Switching Systems

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