ES146252A1 - Mejoras en los aparatos de lámparas termoiónicas. - Google Patents

Mejoras en los aparatos de lámparas termoiónicas.

Info

Publication number
ES146252A1
ES146252A1 ES146252A ES146252A ES146252A1 ES 146252 A1 ES146252 A1 ES 146252A1 ES 146252 A ES146252 A ES 146252A ES 146252 A ES146252 A ES 146252A ES 146252 A1 ES146252 A1 ES 146252A1
Authority
ES
Spain
Prior art keywords
thermionic
lamp devices
lamp
devices
thermionic lamp
Prior art date
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.)
Expired
Application number
ES146252A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconis Wireless Telegraph Co Ltd
STC PLC
Original Assignee
Marconis Wireless Telegraph Co Ltd
Standard Telephone and Cables PLC
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 Marconis Wireless Telegraph Co Ltd, Standard Telephone and Cables PLC filed Critical Marconis Wireless Telegraph Co Ltd
Priority to ES146252A priority Critical patent/ES146252A1/es
Publication of ES146252A1 publication Critical patent/ES146252A1/es
Expired legal-status Critical Current

Links

ES146252A 1938-10-10 1938-10-10 Mejoras en los aparatos de lámparas termoiónicas. Expired ES146252A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES146252A ES146252A1 (es) 1938-10-10 1938-10-10 Mejoras en los aparatos de lámparas termoiónicas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES146252A ES146252A1 (es) 1938-10-10 1938-10-10 Mejoras en los aparatos de lámparas termoiónicas.

Publications (1)

Publication Number Publication Date
ES146252A1 true ES146252A1 (es) 1941-01-01

Family

ID=65598175

Family Applications (1)

Application Number Title Priority Date Filing Date
ES146252A Expired ES146252A1 (es) 1938-10-10 1938-10-10 Mejoras en los aparatos de lámparas termoiónicas.

Country Status (1)

Country Link
ES (1) ES146252A1 (es)

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