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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General Electric Co
Original Assignee
General Electric Co
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Filing date
Publication date
Application filed by General Electric CofiledCriticalGeneral Electric Co
Publication of GB345416ApublicationCriticalpatent/GB345416A/en
Device for indicating sparking and other disturbances in, and for automatically cutting out transformers, choke coils, and other electrical apparatus operating in an insulating medium