Original text - English - 1897 Walther Nernst invents and patents his...

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Title	1897 Walther Nernst invents and patents his...
Text to be translated Submitted by denizcan	Source language: English 1897, Walther Nernst invents and patents his incandescent lamp, based on solid state electrolytes.

12 Tháng 2 2008 14:08