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| CAMEN QUIMICA, S.A. DE C.V. | |
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Leyes de Reforma No. 1195 Col. Leyes de Reforma 09310, Mexico Distrito Federal, México | Tel: (55) 5694-3570, 5694-4967 Fax: (55) 5694-4901 | |
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Cuauhtémoc No. 438 Sur Col. Centro 64000, Monterrey Nuevo Leon, México | Tel: (81) 8130-5000 Fax: (81) 8130-5059 | |
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| CHARKIT CHEMICAL CORPORATION | |
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9 Old Kings Highway South P.O. Box 1725 06820, Darien CT, USA | Tel: (203) 655-3400 Fax: (203) 655-8643 / 655-3070 | |
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| FISHER SCIENTIFIC DE MEXICO, S.A. | |
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Cuauhtémoc No. 438 Sur Col. Centro 64000, Monterrey Nuevo Leon, México | Tel: (81) 8130-5000 Fax: (81) 8130-5059 | |
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