The International System of Units (SI)
4 Mar 200504/03/05 at 12:302005-03-04 12:30:04 por 
Andrés Meza
| URL | http://www.bipm.org/en/si/ |
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| Última Modificación | 12 Feb 201812/02/18 at 07:532018-02-12 07:53:12 |