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Summary

Description
Português: Aristides Azevedo Pacheco Leão e outros pesquisadores no Laboratório de Biofísica da Faculdade Nacional de Medicina da Universidade do Brasil (Praia Vermelha), na década de 1940. Da esquerda para a direita: Gustavo de Oliveira Castro, Gustavo de Oliveira Castro Filho, Antonio Moreira Couceiro e Aristides Azevedo Pacheco Leão.
Date 1940s
date QS:P,+1940-00-00T00:00:00Z/8
Source researchgate
Author Unknown author Unknown author

Licensing

Public domain
This photograph is in the public domain in Brazil because it was created there before 19 June 1998 and, according to the 1973 Brazilian copyright law, is not considered to be an artistic creation . This applies to documentary photographs in general (commercial or not), as well as non-artistic photographic portraits. See here for some guidance on this.

This work is in the public domain in the United States because it meets three requirements:

  1. it was first published outside the United States (and not published in the U.S. within 30 days),
  2. it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
  3. it was in the public domain in its home country ( Brazil ) on the URAA date (1 January 1996).
The 1973 law was in force until being replaced by the current (non-retroactive) Law 9.610 of 19 February 1998 (see translation ), which came into effect on 20 June 1998. Photographic works produced after that date follow the Law 9.610 regulations.

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Aristides Azevedo Pacheco Leão

media type

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