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 ES57604ApriorityCriticalpatent/ES57604A1/en
Publication of ES57604A1publicationCriticalpatent/ES57604A1/en
ES57604A1914-02-261914-02-26
Improvements in provisions to protect electrical circuits from the influence of alternating current circuits.
ExpiredES57604A1
(en)