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216:), amended November 11, 2020, Works of legal persons or organizations without legal personality, or service works, or audiovisual works, enter the public domain 50 years after they were first published, or if unpublished 50 years from creation. For photography works of natural persons whose copyright protection period expires before June 1, 2021 belong to the public domain. All other works of natural persons enter the public domain 50 years after the death of the creator.
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Works of foreign (non-U.S.) origin must be out of copyright or freely licensed in both their home country and the United States in order to be accepted on
Commons. Works of Chinese origin that have entered the public domain in the U.S. due to certain circumstances (such as publication in
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255:(URAA) if the work was under copyright in its country of origin on the date that the URAA took effect in that country. (For the People's Republic of China, the URAA took effect on January 1, 1996. For the Republic of China (ROC), the URAA took effect on January 1, 2002.
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and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and
Venezuela is 60
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530:{{Information |Description=简又文 |Source=http://www.jmlib.com/jmhq/list.asp?id=186 |Date=before 1949 |Author=Unknown |Permission={{PD-China}} |other_versions= }}
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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The following pages on the
English Knowledge use this file (pages on other projects are not listed):
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noncompliance with U.S. copyright formalities) may have had their U.S. copyright restored under the
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285: Note that this work might not be in the public domain in countries that do not apply the
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Commons is a freely licensed media file repository.
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in China because its term of copyright has expired.
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532:Category:Academics from China
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659:Image width
650:Color space
607:Orientation
548:Jian Youwen
343:slovenščina
123:before 1949
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210:Hong Kong
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37:Metadata
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504:current
499:Comment
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352:Tagalog
316:English
307:Deutsch
298:čeština
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662:250 px
626:96 dpi
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610:Normal
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232:Kinmen
228:Penghu
224:Taiwan
141:Author
131:Source
424:简体中文
236:Matsu
214:Macao
177:false
174:false
525:Sgsg
496:User
433:繁體中文
212:and
120:Date
17:File
586:簡又文
442:+/−
415:日本語
406:한국어
397:ไทย
115:简又文
234:,
230:,
226:,
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.