BE435388A - - Google Patents
Info
- Publication number
- BE435388A BE435388A BE435388DA BE435388A BE 435388 A BE435388 A BE 435388A BE 435388D A BE435388D A BE 435388DA BE 435388 A BE435388 A BE 435388A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- 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 |
|---|---|---|---|
| DE212051X | 1938-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE435388A true BE435388A (fr) |
Family
ID=5806028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE435388D BE435388A (fr) | 1938-07-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE435388A (fr) |
| CH (1) | CH212051A (fr) |
| FR (1) | FR857614A (fr) |
| GB (1) | GB603424A (fr) |
-
0
- BE BE435388D patent/BE435388A/xx unknown
-
1939
- 1939-07-06 CH CH212051D patent/CH212051A/de unknown
- 1939-07-10 FR FR857614D patent/FR857614A/fr not_active Expired
- 1939-07-12 GB GB20308/39A patent/GB603424A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR857614A (fr) | 1940-09-21 |
| CH212051A (de) | 1940-10-31 |
| GB603424A (en) | 1948-06-16 |