Item CR-AN-AH-MAG-PATEN-000252 - Solicitud de Juan Francisco Echeverría para inscribir el invento: Despositivo protector para circuitos eléctricos como pararrayos, especialmente en los cuales se emplea el peróxido de plomo

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CR AN CR-AN-AH-MAG-PATEN-000252

Title

Solicitud de Juan Francisco Echeverría para inscribir el invento: Despositivo protector para circuitos eléctricos como pararrayos, especialmente en los cuales se emplea el peróxido de plomo

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  • 1922-08-21 - ? (Creation)

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