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1 janv. 1970 - Cheaper solar panels made

Description:

100$ a watt to 20$ a watt.
Dr. Elliot Berman.

Ajouté au bande de temps:

Kacie and Rachel

30 oct. 2017

1

0

812

Date:

1 janv. 1970

Maintenaint

~ Il y a 55 ans

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