BE411481A - - Google Patents
Info
- Publication number
- BE411481A BE411481A BE411481DA BE411481A BE 411481 A BE411481 A BE 411481A BE 411481D A BE411481D A BE 411481DA BE 411481 A BE411481 A BE 411481A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT455459X | 1934-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE411481A true BE411481A (https=) |
Family
ID=3674481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE411481D BE411481A (https=) | 1934-10-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE411481A (https=) |
| FR (1) | FR795192A (https=) |
| GB (1) | GB455459A (https=) |
| NL (1) | NL43552C (https=) |
-
0
- BE BE411481D patent/BE411481A/xx unknown
- NL NL43552D patent/NL43552C/xx active
-
1935
- 1935-09-24 FR FR795192D patent/FR795192A/fr not_active Expired
- 1935-10-09 GB GB27881/35A patent/GB455459A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR795192A (fr) | 1936-03-07 |
| NL43552C (https=) | |
| GB455459A (en) | 1936-10-21 |