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| 650 |
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|a Tecnología de alimentos
|9 13543
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| 650 |
1 |
7 |
|a Comunicación
|2 unescot
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| 650 |
1 |
4 |
|9 12632
|a Transporte
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| 650 |
1 |
4 |
|a ECOLOGIA
|9 12413
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| 650 |
1 |
0 |
|a Informática
|9 39568
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| 650 |
1 |
7 |
|a Tecnología
|2 unescot
|9 38754
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| 999 |
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| 041 |
|
|
|a spa
|
| 082 |
0 |
4 |
|a 600
|b B 948
|
| 100 |
1 |
|
|a Buch, Tomás
|9 26945
|
| 245 |
1 |
0 |
|a El tecnoscopio /
|c Tomás Buch.
|
| 250 |
|
|
|a 5a ed.
|
| 260 |
3 |
|
|a Buenos Aires :
|b Aique,
|c 1999
|
| 300 |
|
|
|a 502 p.
|
| 541 |
|
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|c Canje
|
| 653 |
2 |
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|a UNQ
|
| 942 |
|
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|c 00001
|2 ddc
|