BE350806A - - Google Patents
Info
- Publication number
- BE350806A BE350806A BE350806DA BE350806A BE 350806 A BE350806 A BE 350806A BE 350806D A BE350806D A BE 350806DA BE 350806 A BE350806 A BE 350806A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
- H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US289478XA | 1927-04-29 | 1927-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE350806A true BE350806A (zh) |
Family
ID=21846398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE350806D BE350806A (zh) | 1927-04-29 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE350806A (zh) |
| FR (1) | FR653508A (zh) |
| GB (1) | GB289478A (zh) |
-
0
- BE BE350806D patent/BE350806A/xx unknown
-
1928
- 1928-04-27 FR FR653508D patent/FR653508A/fr not_active Expired
- 1928-04-27 GB GB12361/28A patent/GB289478A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR653508A (fr) | 1929-03-22 |
| GB289478A (en) | 1928-10-18 |