File:Damadian invention.jpg

这张图片属于美国政府专利号3789832 filed 17 March 1972, issued Feb 5, 1974. 图片来自美国专利商标局.

Summary
This image belongs to a US govt Patent number 3789832 filed 17 March 1972, issued Feb 5, 1974. Image is from the US Patent and Trademark Office.

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(删除该图像的所有修订版本) (当前) 16:12 2006年1月24日. . Uvo (Talk). . 640x388 (124565字节)