IE12700L - Electric discharge tubes - Google Patents

Electric discharge tubes

Info

Publication number
IE12700L
IE12700L IE12700DA IE12700L IE 12700 L IE12700 L IE 12700L IE 12700D A IE12700D A IE 12700DA IE 12700 L IE12700 L IE 12700L
Authority
IE
Ireland
Prior art keywords
electric discharge
discharge tubes
tubes
electric
discharge
Prior art date
Application number
Original Assignee
British Talking Pictures Ltd
Lee De Forest
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 filed by British Talking Pictures Ltd, Lee De Forest filed Critical British Talking Pictures Ltd
Publication of IE12700L publication Critical patent/IE12700L/en

Links

IE12700D 1930-07-12 1930-07-12 Electric discharge tubes IE12700L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE12700T 1930-07-12

Publications (1)

Publication Number Publication Date
IE12700L true IE12700L (en) 1931-01-13

Family

ID=11024644

Family Applications (1)

Application Number Title Priority Date Filing Date
IE12700D IE12700L (en) 1930-07-12 1930-07-12 Electric discharge tubes

Country Status (1)

Country Link
IE (1) IE12700L (en)

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