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| 041 |
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|a spa
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| 094 |
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|a 672.2
|b I62
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| 100 |
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|a Rochac Chávez, Jorge
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| 245 |
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|a Investigación sobre la obtención de piezas de fundición maleable a partir de la fundición blanca /
|c Jorge Rochac Chávez ... [et al.].
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| 260 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1974
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| 300 |
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|a 133 h. ;
|b il
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| 502 |
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|a Tesis (Ing. Mecánica) -- Universidad de El Salvador
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| 650 |
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|a HIERRO-FUNDICION
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| 991 |
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|a bc_noemi
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| 992 |
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|a 21/07/2006
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