Method of and Apparatus for Production of High Vacua - List of all Nikola Tesla patents. - Nikola Tesla Legend
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List of all Nikola Tesla patents

Method of and Apparatus for Production of High Vacua

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No.NG25
Patent546,038
Year1922
CountryNot Granted
Date of ApplicationMarch 23, 1922
Patent TitleMethod of and Apparatus for Production of High Vacua

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