ES51862A1 - Un sistema de anuncios en los billetes para viajeros en ferrocarril, de espectáculos públicos y en toda clase de billetaje.
- Google Patents
Un sistema de anuncios en los billetes para viajeros en ferrocarril, de espectáculos públicos y en toda clase de billetaje.
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Individual
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Individual
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ES51862A1911-12-071911-12-07Un sistema de anuncios en los billetes para viajeros en ferrocarril, de espectáculos públicos y en toda clase de billetaje.
ExpiredES51862A1
(es)
Un nuevo procedimiento industrial consistente en la inserción de anuncios y reclamos en los billetes del tranvía y demás vehículos de servicio público.