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authorship
authorship
最后更新： 2019-01-31
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what is copyright? copyright is a form of protection provided for original works of authorship, including literary, dramatic, musical, graphic and audiovisual creations. literally means the "copyright" the right to copy, but has come to mean that body of exclusive rights granted by law to copyright owners for protection of their work.
i don't own anything in the video, including the audio and picture. the credits go to the respective owners. this video is educational purpose only.
最后更新： 2017-07-09
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