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| DRESEN QUIMICA, S.A. DE C.V. | |
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Colorado No. 78-B P.A. Col. Nápoles 03810, Mexico Distrito Federal, México | Tel: (55) 5543-1231, 5543-1232, 5687-2290 Fax: (55) 5523-6988 | |
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Jaime I No. 3320 Col. Fracc. Camino Real 67170, Guadalupe Nuevo Leon, México | Tel: (81) 8367-9800 Fax: (81) 8299-2095 | |
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