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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 janv. 1892 - pierwsza automatyczna centrala telefoniczna
Description:
W La Porte w stanie Indiana uruchomiono pierwszą automatyczną centralę telefoniczną.
Ajouté au bande de temps:
oś czasu
By
Zuzanna Lange
3 oct. 2018
0
0
396
Date:
1 janv. 1892
Maintenaint
~ Il y a 133 ans
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