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File:Damadian invention.jpg

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Damadian_invention.jpg (640 × 388 pixels, file size: 97 KB, MIME type: image/jpeg)

Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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.

from zh wp

(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)

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media type

image/jpeg

checksum

4e5069e86518e7742ac3f882a49120595bc0b013

determination method or standard: SHA-1

data size

99,349 byte

height

388 pixel

width

640 pixel

File history

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Date/TimeThumbnailDimensionsUserComment
current16:24, 11 September 2017Thumbnail for version as of 16:24, 11 September 2017640 × 388 (97 KB)Quibikclear background
06:22, 4 April 2006Thumbnail for version as of 06:22, 4 April 2006640 × 388 (122 KB)Shizhao{{PD}} {{PD-US-patent}} 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。 from zh wp (删除该图像的所有修订版本) (当前) 16:12 2006年1月24日 . . Uvo (Talk) . . 640

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