BE352019A - - Google Patents
Info
- Publication number
- BE352019A BE352019A BE352019DA BE352019A BE 352019 A BE352019 A BE 352019A BE 352019D A BE352019D A BE 352019DA BE 352019 A BE352019 A BE 352019A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/26—Screens; Filters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE313437X | 1928-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE352019A true BE352019A (en:Method) |
Family
ID=3867595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE352019D BE352019A (en:Method) | 1928-06-11 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE352019A (en:Method) |
| FR (1) | FR676446A (en:Method) |
| GB (1) | GB313437A (en:Method) |
-
0
- BE BE352019D patent/BE352019A/xx unknown
-
1929
- 1929-05-16 GB GB15371/29A patent/GB313437A/en not_active Expired
- 1929-06-10 FR FR676446D patent/FR676446A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB313437A (en) | 1930-04-03 |
| FR676446A (fr) | 1930-02-22 |