BE440444A - - Google Patents
Info
- Publication number
- BE440444A BE440444A BE440444DA BE440444A BE 440444 A BE440444 A BE 440444A BE 440444D A BE440444D A BE 440444DA BE 440444 A BE440444 A BE 440444A
- 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
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/32—Sealing leading-in conductors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Joining Of Glass To Other Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216812X | 1940-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440444A true BE440444A (zh) |
Family
ID=5830394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440444D BE440444A (zh) | 1940-02-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2338381A (zh) |
| BE (1) | BE440444A (zh) |
| CH (1) | CH216812A (zh) |
| FR (1) | FR870783A (zh) |
| NL (1) | NL55537C (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2706366A (en) * | 1950-11-25 | 1955-04-19 | Bell Telephone Labor Inc | Method of constructing a helix assembly |
-
0
- NL NL55537D patent/NL55537C/xx active
- BE BE440444D patent/BE440444A/xx unknown
-
1941
- 1941-01-29 CH CH216812D patent/CH216812A/de unknown
- 1941-03-01 US US381303A patent/US2338381A/en not_active Expired - Lifetime
- 1941-03-12 FR FR870783D patent/FR870783A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH216812A (de) | 1941-09-15 |
| US2338381A (en) | 1944-01-04 |
| NL55537C (zh) | |
| FR870783A (fr) | 1942-03-24 |