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mar 1, 1835 - Invención del relé.

Description:

Joseph Henry inventa el Relé o relevador.

Added to timeline:

Evolución de los sistemas de control

ByALVEIRO JAVIER BUENO AGUIRRE

6 Nov 2018

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438

Date:

mar 1, 1835

Now

~ 190 years ago

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