Há exatos 137 anos uma lâmpada elétrica foi acesa por Thomas Edison – Época NEGÓCIOS | Energia

http://epocanegocios.globo.com/Caminhos-para-o-futuro/Energia/noticia/2016/10/ha-exatos-137-anos-uma-lampada-eletrica-foi-acesa-por-thomas-edison.html

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