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Individual
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Individual
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Priority to ES9848ApriorityCriticalpatent/ES9848A2/es
Publication of ES9848A2publicationCriticalpatent/ES9848A2/es
ES9848A1889-07-261889-07-26Mejoras introducidas en el aparato para aumentar la fuerza luminosa en la luz de gas, sin aumento de fluido.
ExpiredES9848A2
(es)