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Edison Ore-Milling Company : ウィキペディア英語版 | Edison Ore-Milling Company
The Edison Ore-Milling Company was a venture by Thomas Edison that began in 1881. Edison introduced some significant technological developments to the iron ore milling industry but the company ultimately proved to be unprofitable. Towards the end of the company's life Edison realised the potential application of his technologies to the cement industry, and formed the Edison Portland Cement Company in 1899. ==History==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Edison Ore-Milling Company」の詳細全文を読む
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