Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES30969ApriorityCriticalpatent/ES30969A1/es
Publication of ES30969A1publicationCriticalpatent/ES30969A1/es
ES30969A1902-12-271902-12-27Un aparato para regular el funcionamiento de los registros en las conducciones de toda clase de gases.
ExpiredES30969A1
(es)