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Application filed by Paez Walter Studgar ChavezfiledCriticalPaez Walter Studgar Chavez
Priority to ECSP910713priorityCriticalpatent/ECSP910713A/es
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Mejoras en un dispositivo de sujecion para el anclaje en un agujero de perforacion en hormigon armado, particularmente para la sujecion de cielorrasos, canos y lo similar