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Individual
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Individual
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Priority to ES50662ApriorityCriticalpatent/ES50662A1/en
Publication of ES50662A1publicationCriticalpatent/ES50662A1/en
ES50662A1911-06-061911-06-06
Improvements in the devices to regulate or govern the pressure of the current in an electrical circuit.
ExpiredES50662A1
(en)