CH271513A - Doppelwendel-Glühlampe mit Gasfüllung. - Google Patents
Doppelwendel-Glühlampe mit Gasfüllung.Info
- Publication number
- CH271513A CH271513A CH271513DA CH271513A CH 271513 A CH271513 A CH 271513A CH 271513D A CH271513D A CH 271513DA CH 271513 A CH271513 A CH 271513A
- Authority
- CH
- Switzerland
- Prior art keywords
- incandescent lamp
- gas filling
- double filament
- filament incandescent
- double
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU271513X | 1947-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH271513A true CH271513A (de) | 1950-10-31 |
Family
ID=10978662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH271513D CH271513A (de) | 1947-11-13 | 1948-10-18 | Doppelwendel-Glühlampe mit Gasfüllung. |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE485580A (enrdf_load_stackoverflow) |
| CH (1) | CH271513A (enrdf_load_stackoverflow) |
| FR (1) | FR974842A (enrdf_load_stackoverflow) |
| GB (1) | GB655923A (enrdf_load_stackoverflow) |
| NL (1) | NL143287B (enrdf_load_stackoverflow) |
-
0
- NL NL727208528A patent/NL143287B/xx unknown
- BE BE485580D patent/BE485580A/xx unknown
-
1948
- 1948-10-18 CH CH271513D patent/CH271513A/de unknown
- 1948-11-12 GB GB29443/48A patent/GB655923A/en not_active Expired
- 1948-11-12 FR FR974842D patent/FR974842A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR974842A (fr) | 1951-02-26 |
| GB655923A (en) | 1951-08-08 |
| BE485580A (enrdf_load_stackoverflow) | |
| NL143287B (nl) |
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