BE442424A - - Google Patents
Info
- Publication number
- BE442424A BE442424A BE442424DA BE442424A BE 442424 A BE442424 A BE 442424A BE 442424D A BE442424D A BE 442424DA BE 442424 A BE442424 A BE 442424A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/40—Closing vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL224049X | 1940-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442424A true BE442424A (en) |
Family
ID=19779541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442424D BE442424A (en) | 1940-08-10 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2442608A (en) |
| BE (1) | BE442424A (en) |
| CH (1) | CH224049A (en) |
| FR (1) | FR874589A (en) |
| GB (2) | GB552753A (en) |
| NL (1) | NL60403C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL60403C (en) * | 1940-08-10 | |||
| NL107438C (en) * | 1957-07-12 | 1900-01-01 | ||
| FR1284007A (en) * | 1960-12-30 | 1962-02-09 | Csf | Closing of metal vacuum chambers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL60403C (en) * | 1940-08-10 |
-
0
- NL NL60403D patent/NL60403C/xx active
- BE BE442424D patent/BE442424A/xx unknown
-
1941
- 1941-08-08 CH CH224049D patent/CH224049A/en unknown
- 1941-08-09 FR FR874589D patent/FR874589A/en not_active Expired
- 1941-11-26 GB GB15248/41A patent/GB552753A/en not_active Expired
-
1943
- 1943-03-23 US US480188A patent/US2442608A/en not_active Expired - Lifetime
-
1945
- 1945-12-03 GB GB32635/45A patent/GB604785A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB552753A (en) | 1943-04-22 |
| US2442608A (en) | 1948-06-01 |
| NL60403C (en) | |
| GB604785A (en) | 1948-07-09 |
| CH224049A (en) | 1942-10-31 |
| FR874589A (en) | 1942-08-11 |