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ES83719A1 - Improvements in vacuum tubes. - Google Patents

Improvements in vacuum tubes.

Info

Publication number
ES83719A1
ES83719A1 ES83719A ES83719A ES83719A1 ES 83719 A1 ES83719 A1 ES 83719A1 ES 83719 A ES83719 A ES 83719A ES 83719 A ES83719 A ES 83719A ES 83719 A1 ES83719 A1 ES 83719A1
Authority
ES
Spain
Prior art keywords
vacuum tubes
tubes
vacuum
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
ES83719A
Other languages
Spanish (es)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES83719A priority Critical patent/ES83719A1/en
Publication of ES83719A1 publication Critical patent/ES83719A1/en
Expired legal-status Critical Current

Links

ES83719A 1922-12-05 1922-12-05 Improvements in vacuum tubes. Expired ES83719A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES83719A ES83719A1 (en) 1922-12-05 1922-12-05 Improvements in vacuum tubes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES83719A ES83719A1 (en) 1922-12-05 1922-12-05 Improvements in vacuum tubes.

Publications (1)

Publication Number Publication Date
ES83719A1 true ES83719A1 (en) 1923-04-16

Family

ID=64261663

Family Applications (1)

Application Number Title Priority Date Filing Date
ES83719A Expired ES83719A1 (en) 1922-12-05 1922-12-05 Improvements in vacuum tubes.

Country Status (1)

Country Link
ES (1) ES83719A1 (en)

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