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28 dic 1986 año - Protocolo de Montreal
Descripción:
Acuerdo internacional para proteger la capa de ozono.
Añadido al timeline:
Antecedentes del desarrollo sustentable
By
Armando Martinez
hace 4 meses atrás
0
0
182
fecha:
28 dic 1986 año
Ahora mismo
~ 38 years ago
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