File:Chow Hou-kun in Popular Science Monthly.png

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中文（中国大陆）：“科技新时代”月刊中的周厚坤与他发明的中文打字机
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Mullaney, Thomas S. (2017) The Chinese Typewriter: A History, p. 146 ISBN: 9780262036368. (Old version)

It Take Four Thousand Characters to Typewriter in Chinese, Popular Science Monthly Volume 90 (p. 599) No. 4 (https://archive.org/details/popularsciencemo90newyuoft/page/598/mode/2up)
Author Popular Science Monthly

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Chow_Hou-kun_in_Popular_Science_Monthly.png

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current10:55, 27 February 2021Thumbnail for version as of 10:55, 27 February 20211,108 × 1,154 (1.71 MB)三点一四一五九 (talk | contribs)更高分辨率
08:07, 26 February 2021Thumbnail for version as of 08:07, 26 February 2021650 × 679 (291 KB)三点一四一五九 (talk | contribs)Uploaded a work by Popular Science Monthly from {{cite book |last=Mullaney |first=Thomas S. |date= 2017|title= The Chinese Typewriter: A History |page=145 |isbn=ISBN 9780262036368 |author-link= }} Popular Science Monthly with UploadWizard

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