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It is a work whose authors' rights belong to the Brazilian government (federal, state, or municipal), for which the economic rights shall be protected for a period of 70 years from the first of January of the year following that of their disclosure or that of the author's demise, whichever is later. ([1])
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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{{Information |Description=coat of arms of Brazilian Navy. |Source= |Date=05-07-2007 |Author=Brazilian Navy |Permission={{MdB}}{{insignia}} |other_versions= }} Category:Coat of arms of Brazilian Navy
{{Information |Description=coat of arms of Brazilian Navy. |Source= |Date=04-07-2007 |Author=Brazilian Navy |Permission={{MdB}}{{insignia}} |other_versions= }}
