BE449302A - - Google Patents
Info
- Publication number
- BE449302A BE449302A BE449302DA BE449302A BE 449302 A BE449302 A BE 449302A BE 449302D A BE449302D A BE 449302DA BE 449302 A BE449302 A BE 449302A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/22—Exhausting, degassing, filling, or cleaning 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL242044X | 1942-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449302A true BE449302A (fr) |
Family
ID=19780618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449302D BE449302A (fr) | 1942-02-03 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE449302A (fr) |
| CH (1) | CH242044A (fr) |
| DE (1) | DE845674C (fr) |
| FR (1) | FR890731A (fr) |
| GB (1) | GB611687A (fr) |
| NL (1) | NL62424C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL105254C (fr) * | 1956-02-28 | |||
| NL250303A (fr) * | 1959-04-10 |
-
0
- NL NL62424D patent/NL62424C/xx active
- BE BE449302D patent/BE449302A/xx unknown
-
1943
- 1943-02-03 FR FR890731D patent/FR890731A/fr not_active Expired
- 1943-02-08 CH CH242044D patent/CH242044A/de unknown
- 1943-02-20 DE DEN2522D patent/DE845674C/de not_active Expired
-
1946
- 1946-05-06 GB GB13674/46A patent/GB611687A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR890731A (fr) | 1944-02-16 |
| CH242044A (de) | 1946-04-15 |
| GB611687A (en) | 1948-11-02 |
| DE845674C (de) | 1952-08-04 |
| NL62424C (fr) |