BE468739A - - Google Patents

Info

Publication number: BE468739A
Authority: BE; Belgium

Application number

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.)

1939-09-26

Publication of BE468739A publication Critical patent/BE468739A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes

BE468739D 1939-09-26 BE468739A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB264441X		1939-09-26

Publications (1)

Publication Number	Publication Date
BE468739A true BE468739A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=10243695

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE468739D BE468739A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)	1939-09-26

Country Status (5)

Country	Link
BE (1)	BE468739A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1)	CH264441A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1)	ES175483A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1)	FR947131A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1)	GB532920A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

0
- BE BE468739D patent/BE468739A/xx unknown
1939
- 1939-09-26 GB GB26667/39A patent/GB532920A/en not_active Expired
1946
- 1946-09-26 FR FR947131D patent/FR947131A/fr not_active Expired
- 1946-10-26 ES ES0175483A patent/ES175483A1/es not_active Expired
1947
- 1947-02-15 CH CH264441D patent/CH264441A/de unknown

Also Published As

Publication number	Publication date
CH264441A (de)	1949-10-15
ES175483A1 (es)	1946-12-01
GB532920A (en)	1941-02-03
FR947131A (fr)	1949-06-23

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