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| 942 |
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| 094 |
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|a 633.883163
|b P222d
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| 100 |
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|a Parada Hernández, Miguel Angel
|
| 700 |
|
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|a Romero Mendoza, José Antonio
|e coautor
|
| 245 |
|
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|a Desarrollo de un proceso de producción de bálsamo de El Salvador utilizando una extracción con alcohol etilico
|
| 260 |
|
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|a San Salvador :
|b Universidad Centroamericana José Simeón Cañas,
|c 1983
|
| 300 |
|
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|a 182 h. ;
|b il.
|
| 502 |
|
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|a Tesis (Ing. Químico) -- Universidad Centroamericana José Simeón Cañas
|
| 650 |
|
|
|a PRODUCCION DE BALSAMO DE EL SALVADOR
|
| 650 |
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|a ALCOHOL ETILICO
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