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  "resumen": "CINVESTAV adjudicó reactivos químicos y kits de ensayo a SIGMA-ALDRICH QUIMICA S DE RL DE CV por $76,039, con contrato desde el 15 de octubre de 2026. CENTRO DE INVESTIGACION Y DE ESTUDIOS AVANZADOS DEL INSTITUTO POLITECNICO NACIONAL publicó la adjudicación directa AA-11-L4J-011L4J994-N-38-2026 el 9 de octubre de 2026. La contratación corresponde a Querétaro. Se adjudicó de manera directa con fundamento en el Art. 54 fr. XVII de la Ley de adquisiciones, arrendamientos y servicios del sector público: Equipos especializados, sustancias y materiales químicos, físico químico o bioquímico, para proyectos de investigación científica y desarrollo tecnológico. El contrato C-2026-00095328 corre del 15/10/2026 al 20/10/2026. El expediente incluye 3 anexos y 6 partidas.",
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