BE333005A - - Google Patents

Info

Publication number: BE333005A
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.)

1926-01-27

Publication of BE333005A publication Critical patent/BE333005A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/38—Devices for influencing the colour or wavelength of the light
- H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope

BE333005D 1926-01-27 BE333005A (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR622030T		1926-01-27

Publications (1)

Publication Number	Publication Date
BE333005A true BE333005A (zh)

Family

ID=8985543

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE333005D BE333005A (zh)	1926-01-27

Country Status (2)

Country	Link
BE (1)	BE333005A (zh)
FR (1)	FR622030A (zh)

0
- BE BE333005D patent/BE333005A/xx unknown
1926
- 1926-01-27 FR FR622030D patent/FR622030A/fr not_active Expired

Also Published As

Publication number	Publication date
FR622030A (fr)	1927-05-21

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