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|a Contin, Agustín
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| 245 |
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|a Tecnología mecánica 1 /
|c Agustín, Contin
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| 250 |
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|a 1a ed.
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| 260 |
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|a México,
|b Delmar,
|c 1969
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| 300 |
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|a 268 p.
|b Imag.
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| 650 |
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|x TECNOLOGÍA-MECÁNICA
|x TRAZOS-SÍMBOLOS
|9 8749
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