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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR28561EpublicationCriticalpatent/FR28561E/fr
FR28561D1923-07-111923-07-11Constitution du circuit magnétique des bobines pupin et des transformateurs multiplicateurs de fréquence
ExpiredFR28561E
(fr)