FR834770A - Electric cathode-ray lamp the size of miniature lamps - Google Patents

Electric cathode-ray lamp the size of miniature lamps

Info

Publication number
FR834770A
FR834770A FR834770DA FR834770A FR 834770 A FR834770 A FR 834770A FR 834770D A FR834770D A FR 834770DA FR 834770 A FR834770 A FR 834770A
Authority
FR
France
Prior art keywords
size
ray lamp
electric cathode
miniature lamps
miniature
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
Other languages
French (fr)
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR834770A publication Critical patent/FR834770A/en
Expired legal-status Critical Current

Links

FR834770D 1937-11-23 1938-03-04 Electric cathode-ray lamp the size of miniature lamps Expired FR834770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE203542X 1937-11-23

Publications (1)

Publication Number Publication Date
FR834770A true FR834770A (en) 1938-12-01

Family

ID=5777008

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834770D Expired FR834770A (en) 1937-11-23 1938-03-04 Electric cathode-ray lamp the size of miniature lamps

Country Status (4)

Country Link
CH (1) CH203542A (en)
FR (1) FR834770A (en)
GB (1) GB503639A (en)
NL (1) NL49800C (en)

Also Published As

Publication number Publication date
NL49800C (en)
CH203542A (en) 1939-03-15
GB503639A (en) 1939-04-12

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