NaQaa Nanotechnology Network NNN

NNN in 3rd innovation and invention exhibition

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Posted by Wesam Ahmed Tawfik on December 20, 2010 Full Size| Slideshow

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1 Comment

Reply dina abd el fattah
8:25 PM on August 5, 2011 
where can i buy magnitite already prepared (powder in test tube and it moves by magnet) ?and thanks