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સારાંશ:

Cropped image showing first two paragraphs of the Wright Brothers' 1906 patent for the airplane.

Available at U.S. Patent and Trademark Office website: http://www.uspto.gov/patft/index.html

Enter number 821393 in Patent Number Search box.

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http://www.uspto.gov/patft/help/images.htm archive copy at the Wayback Machine

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તારીખ/સમય ઉપર ક્લિક કરવાથી તે સમયે ફાઇલ કેવી હતી તે જોવા મળશે.

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૦૮:૦૫, ૨૯ નવેમ્બર ૨૦૦૬૦૮:૦૫, ૨૯ નવેમ્બર ૨૦૦૬નું લઘુચિત્ર સંસ્કરણ૩૧૯ × ૨૪૫ (૨૬ KB)DonFBCropped image showing first two paragraphs of the Wright Brothers' 1906 patent for the airplane. Available at U.S. Patent and Trademark Office website: http://www.uspto.gov/patft/index.html Enter number 821393 in Patent Number Search box. Viewing softw

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