BE423977A - - Google Patents
Info
- Publication number
- BE423977A BE423977A BE423977DA BE423977A BE 423977 A BE423977 A BE 423977A BE 423977D A BE423977D A BE 423977DA BE 423977 A BE423977 A BE 423977A
- Authority
- BE
- Belgium
- Prior art keywords
- specified
- filament
- incandescent lamp
- filaments
- lamp
- Prior art date
Links
- 230000006978 adaptation Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE423977A true BE423977A (enrdf_load_stackoverflow) |
Family
ID=85316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE423977D BE423977A (enrdf_load_stackoverflow) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE423977A (enrdf_load_stackoverflow) |
-
0
- BE BE423977D patent/BE423977A/fr unknown
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