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00798nam a2200193 a 4500 |
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050201s1983||||es |||||||||||||||||spa|| |
| 041 |
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|a spa
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| 094 |
|
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|a 693.4
|b S164e
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| 100 |
|
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|a Salguero de Tobar, Carmen Elena
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| 245 |
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|a Estudio de factibilidad técnico económico para la instalación de una fábrica de bloques y tubos de concreto
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| 260 |
|
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|a San Salvador :
|b Universidad Centroamericana José Simeón Cañas,
|c 1983
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| 300 |
|
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|a 127 h.
|
| 502 |
|
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|a Tesis (Ing. Industrial) -- Universidad Centroamericana José Simeón Cañas
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| 650 |
|
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|a BLOQUES DE CONCRETO
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| 991 |
|
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|a No asignado
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| 992 |
|
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|a 30/07/2008
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| 942 |
|
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|c BK
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| 999 |
|
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|c 70616
|d 70616
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| 952 |
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|
|0 0
|1 0
|4 1
|6 693_400000000000000_S164E
|7 0
|8 T
|9 127530
|a 10
|b 10
|c T
|d 2012-08-15
|i 10111717
|o 693.4 S164e
|p 10111717
|r 2012-08-15
|t 1
|w 2012-08-15
|y TS
|