Jisho

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著作権延長法
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Wikipedia definition
1. Copyright Term Extension Act​The Copyright Term Extension Act (CTEA) of 1998 extended copyright terms in the United States by 20 years. Since the Copyright Act of 1976, copyright would last for the life of the author plus 50 years, or 75 years for a work of corporate authorship. The Act extended these terms to life of the author plus 70 years and for works of corporate authorship to 120 years after creation or 95 years after publication, whichever endpoint is earlier.
Read “Copyright Term Extension Act” on English Wikipedia
Read “著作権延長法” on Japanese Wikipedia
Read “Copyright Term Extension Act” on DBpedia

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