International Exhibition for Telecommunications Technology "TELECOM '79" - Geneva 1979
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1979
International Exhibition for Telecommunications Technology "TELECOM '79" - Geneva
20. 九月 窗口管理器: 空缺 筛孔: 11¾
![[International Exhibition for Telecommunications Technology "TELECOM '79" - Geneva, 类型 TD]](https://www.stampworld.com/media/catalogue/Tunisia/Postage-stamps/TD-s.jpg)
