DK57962C - Elektrisk Glødelampe med kvælstofholdig Luftartsfyldning. - Google Patents

Elektrisk Glødelampe med kvælstofholdig Luftartsfyldning.

Info

Publication number
DK57962C
DK57962C DK57962DA DK57962C DK 57962 C DK57962 C DK 57962C DK 57962D A DK57962D A DK 57962DA DK 57962 C DK57962 C DK 57962C
Authority
DK
Denmark
Prior art keywords
nitrogen
incandescent lamp
containing gaseous
electric incandescent
gaseous filling
Prior art date
Application number
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK57962C publication Critical patent/DK57962C/da

Links

DK57962D 1937-11-02 1938-10-29 Elektrisk Glødelampe med kvælstofholdig Luftartsfyldning. DK57962C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL57962X 1937-11-02

Publications (1)

Publication Number Publication Date
DK57962C true DK57962C (da) 1940-09-09

Family

ID=19756416

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57962D DK57962C (da) 1937-11-02 1938-10-29 Elektrisk Glødelampe med kvælstofholdig Luftartsfyldning.

Country Status (1)

Country Link
DK (1) DK57962C (da)

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