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Individual
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Individual
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Priority to ES49163ApriorityCriticalpatent/ES49163A3/es
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ES49163A1910-10-201910-10-20Un procedimiento para la aplicación del producto denominado "Fibra Vulcanizada" a la fabricación de varios artículos.
ExpiredES49163A3
(es)
Un procedimiento para la fabricación del producto conocido corrientemente por los nombres de fibra vulcanizada "Leatherroid", "Okonita", etc.