BE371414A - - Google Patents
Info
- Publication number
- BE371414A BE371414A BE371414DA BE371414A BE 371414 A BE371414 A BE 371414A BE 371414D A BE371414D A BE 371414DA BE 371414 A BE371414 A BE 371414A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US362884XA | 1929-06-26 | 1929-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371414A true BE371414A (en) |
Family
ID=21887742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371414D BE371414A (en) | 1929-06-26 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE371414A (en) |
| DE (1) | DE529727C (en) |
| FR (1) | FR697462A (en) |
| GB (1) | GB362884A (en) |
-
0
- BE BE371414D patent/BE371414A/xx unknown
-
1930
- 1930-06-05 GB GB17432/30A patent/GB362884A/en not_active Expired
- 1930-06-16 FR FR697462D patent/FR697462A/en not_active Expired
- 1930-06-20 DE DE1930529727D patent/DE529727C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB362884A (en) | 1931-12-08 |
| DE529727C (en) | 1931-07-16 |
| FR697462A (en) | 1931-01-19 |