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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 feb 1957 año - In 1957, a full size system was successfully demonstrated by RCA Labs
Añadido al timeline:
sdv
By
MUKUN GUO
6 nov 2017
0
0
405
fecha:
21 feb 1957 año
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~ 68 years ago
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