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Individual
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Individual
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Priority to ES9714ApriorityCriticalpatent/ES9714A1/en
Publication of ES9714A1publicationCriticalpatent/ES9714A1/en
ES9714A1889-06-211889-06-21
An industrial procedure to obtain a new fuel called the "Eureka" of coals or the indispensable one in the home.
ExpiredES9714A1
(en)