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WE ARE CLOSED TO RETURN RENEWED!

The MNACTEC will be closed for construction from October 20, 2025 to June 30, 2026.
We will continue to be active with activities for educational centers, online resources, MNACTEC Bus and social networks!

telègraf elèctric

Ciència i tècnica

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telègraf elèctric
6190
1880-1920
fusta
Ciència i tècnica
Computació, electrònica i telecomunicacions
01/04/1992
dipòsit
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