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哪个取暖器制热效果好用 File:United States Declaration of Independence.jpg

This file is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the ailable evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason: Public domainPublic domainfalsefalse Public domain

The author died in 1865, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

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Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag.

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