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245 |
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|a La certificación de máquinas eléctricas en El Salvador:
|b problemas y alternativas de solución
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260 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1990
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300 |
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|a 174 h. ;
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502 |
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|a Tesis (Ing. Electricista) -- Universidad de El Salvador
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991 |
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992 |
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|a 24/06/2011
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942 |
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