कूलिज नली
Revision as of 13:43, 14 September 2010 by व्यवस्थापन (talk | contribs) (Text replace - "==सम्बंधित लिंक==" to "==संबंधित लेख==")
(aangrezi:Coolidge tube) koolij nali ek vaijnanik upakaran hai. koolij nali eks kiranoan ka utpadan karane mean prayukt nalinuma upakaran hai.
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