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| CASMAN COMERCIALIZADORA INDUSTRIAL, S.A. DE C.V. | |
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Av. Universidad No. 1391-501 Col. Florida 01030, Mexico Distrito Federal, México | Tel: (55) 5662-5485, 5662-9066, 1800-987-054, 1800-987-0736 Fax: (55) 5661-7617 | |
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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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| CIENTIFICA VELA QUIN, S.A. DE C.V. | |
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Lesina No. 119 Col. Lomas de la Estrella 09890, Mexico Distrito Federal, México | Tel: (55) 5607-1311, 5632-2673, 5656-9842, 5607-0493 Fax: (55) 5656-9842 | |
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