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| guías de columna (A vertical layout guide that is used to divide a publication page into two or more columns) | |||
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column guide : 1 a las frases, 1 temas |
| Ingeniería mecánica | 1 |
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| |||
| guías de columna (A vertical layout guide that is used to divide a publication page into two or more columns) | |||
|
column guide : 1 a las frases, 1 temas |
| Ingeniería mecánica | 1 |