BE426298A - - Google Patents

Info

Publication number: BE426298A
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.)

1937-02-12

Publication of BE426298A publication Critical patent/BE426298A/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

BE426298D 1937-02-12 BE426298A (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL201751X		1937-02-12

Publications (1)

Publication Number	Publication Date
BE426298A true BE426298A (zh)

Family

ID=19778373

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE426298D BE426298A (zh)	1937-02-12

Country Status (5)

Country	Link
US (1)	US2134407A (zh)
BE (1)	BE426298A (zh)
CH (1)	CH201751A (zh)
FR (1)	FR833451A (zh)
GB (1)	GB487044A (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2442576A (en) *	1939-08-05	1948-06-01	Hartford Nat Bank & Trust Co	Mixing tube
US2448559A (en) *	1944-05-05	1948-09-07	Raytheon Mfg Co	Electron discharge tube
BE484647A (zh) *	1947-09-03
US2615138A (en) *	1948-10-30	1952-10-21	Rca Corp	Beam type electron tube

0
- BE BE426298D patent/BE426298A/xx unknown
1938
- 1938-02-09 US US189507A patent/US2134407A/en not_active Expired - Lifetime
- 1938-02-09 GB GB4067/38A patent/GB487044A/en not_active Expired
- 1938-02-10 CH CH201751D patent/CH201751A/de unknown
- 1938-02-10 FR FR833451D patent/FR833451A/fr not_active Expired

Also Published As

Publication number	Publication date
GB487044A (en)	1938-06-14
FR833451A (fr)	1938-10-21
US2134407A (en)	1938-10-25
CH201751A (de)	1938-12-15

Publication	Publication Date	Title
AT151505B (zh)	1937-11-25
BE420409A (zh)	1937-04-30
BE439125A (zh)
BE131631A (zh)
BE235779A (zh)
BE386746A (zh)
BE412505A (zh)
BE413076A (zh)
BE417149A (zh)
BE417582A (zh)
BE418783A (zh)
BE420383A (zh)
BE419342A (zh)	1937-02-27
BE419443A (zh)
BE419523A (zh)
NL90764C (zh)
NL90204C (zh)
NL68395C (zh)
NL51911C (zh)
NL48391C (zh)	1940-05-15
NL35243C (zh)
BE420365A (zh)
BE427063A (zh)
BE422006A (zh)
BE421925A (zh)