Solicitud de William Money Mc Comb para inscribir el invento: Procedimiento perfeccionado para conventir hidrocarburos líquidos y espesos, en menos espesos, alcanzando menos grado de calor

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CR AN CR-AN-AH-MAG-PATEN-000231

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1921-06-08 - ? (Creation)

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Ministerio de Agricultura y Ganadería

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Archivo Nacional

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Item CR-AN-AH-MAG-PATEN-000231 - Solicitud de William Money Mc Comb para inscribir el invento: Procedimiento perfeccionado para conventir hidrocarburos líquidos y espesos, en menos espesos, alcanzando menos grado de calor