ES74913A3 - "Coolidge" type thermionic current tubes. - Google Patents

"Coolidge" type thermionic current tubes.

Info

Publication number
ES74913A3
ES74913A3 ES74913A ES74913A ES74913A3 ES 74913 A3 ES74913 A3 ES 74913A3 ES 74913 A ES74913 A ES 74913A ES 74913 A ES74913 A ES 74913A ES 74913 A3 ES74913 A3 ES 74913A3
Authority
ES
Spain
Prior art keywords
coolidge
thermionic current
current tubes
type thermionic
type
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
ES74913A
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 ES74913A priority Critical patent/ES74913A3/en
Publication of ES74913A3 publication Critical patent/ES74913A3/en
Expired legal-status Critical Current

Links

ES74913A 1920-07-22 1920-07-22 "Coolidge" type thermionic current tubes. Expired ES74913A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES74913A ES74913A3 (en) 1920-07-22 1920-07-22 "Coolidge" type thermionic current tubes.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES74913A ES74913A3 (en) 1920-07-22 1920-07-22 "Coolidge" type thermionic current tubes.

Publications (1)

Publication Number Publication Date
ES74913A3 true ES74913A3 (en) 1920-12-01

Family

ID=69498653

Family Applications (1)

Application Number Title Priority Date Filing Date
ES74913A Expired ES74913A3 (en) 1920-07-22 1920-07-22 "Coolidge" type thermionic current tubes.

Country Status (1)

Country Link
ES (1) ES74913A3 (en)

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