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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Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Filing date
Publication date
Application filed by Electrical and Musical Industries LtdfiledCriticalElectrical and Musical Industries Ltd
Application grantedgrantedCritical
Publication of AU146294B2publicationCriticalpatent/AU146294B2/en
Publication of AU2387448ApublicationCriticalpatent/AU2387448A/en
AU23874/48A1948-10-26Improvements in or relating to thermionic valve circuits embodying valves employing secondary electron emission
ExpiredAU146294B2
(en)