BE381382A - - Google Patents
Info
- Publication number
- BE381382A BE381382A BE381382DA BE381382A BE 381382 A BE381382 A BE 381382A BE 381382D A BE381382D A BE 381382DA BE 381382 A BE381382 A BE 381382A
- 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 |
|---|---|---|---|
| AT359749X | 1930-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381382A true BE381382A (ja�@�@) |
Family
ID=3672723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381382D BE381382A (ja�@�@) | 1930-08-08 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE381382A (ja�@�@) |
| FR (1) | FR720985A (ja�@�@) |
| GB (1) | GB359749A (ja�@�@) |
| HU (1) | HU103551A (ja�@�@) |
| NL (1) | NL32014C (ja�@�@) |
-
0
- HU HU103551D patent/HU103551A/hu unknown
- BE BE381382D patent/BE381382A/xx unknown
- NL NL32014D patent/NL32014C/xx active
-
1930
- 1930-11-10 GB GB33797/30A patent/GB359749A/en not_active Expired
-
1931
- 1931-08-03 FR FR720985D patent/FR720985A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL32014C (ja�@�@) | |
| HU103551A (ja�@�@) | |
| FR720985A (fr) | 1932-02-26 |
| GB359749A (en) | 1931-10-29 |