DK84719C - Electric incandescent lamp whose container is lined on the inside with a layer of powdered, light-scattering water-insoluble alkaline earth metal compounds, and method of manufacturing the lamp. - Google Patents

Electric incandescent lamp whose container is lined on the inside with a layer of powdered, light-scattering water-insoluble alkaline earth metal compounds, and method of manufacturing the lamp.

Info

Publication number
DK84719C
DK84719C DK62955A DK62955A DK84719C DK 84719 C DK84719 C DK 84719C DK 62955 A DK62955 A DK 62955A DK 62955 A DK62955 A DK 62955A DK 84719 C DK84719 C DK 84719C
Authority
DK
Denmark
Prior art keywords
lamp
lined
powdered
manufacturing
light
Prior art date
Application number
DK62955A
Other languages
Danish (da)
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 DK84719C publication Critical patent/DK84719C/en

Links

DK62955A 1954-02-26 1955-02-23 Electric incandescent lamp whose container is lined on the inside with a layer of powdered, light-scattering water-insoluble alkaline earth metal compounds, and method of manufacturing the lamp. DK84719C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL84719X 1954-02-26

Publications (1)

Publication Number Publication Date
DK84719C true DK84719C (en) 1958-04-14

Family

ID=19758882

Family Applications (1)

Application Number Title Priority Date Filing Date
DK62955A DK84719C (en) 1954-02-26 1955-02-23 Electric incandescent lamp whose container is lined on the inside with a layer of powdered, light-scattering water-insoluble alkaline earth metal compounds, and method of manufacturing the lamp.

Country Status (1)

Country Link
DK (1) DK84719C (en)

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