INTERNATIONAL ESK SYSTEM T66 IN DUESSELDORF: THE FIRST TEN YEARS.

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作者：
Schwingel, Karl
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来源：
Telefon Report | 1977年 / 12卷 / 03期
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摘要：
The international exchange in Duesseldorf, West Germany, which was put into service in 1966 using equipment of the ESK system T66, is described. During the following decade, the initial provision of 600 inputs and outputs was expanded to 4800 trunks.
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页码：110 / 111
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