NL40547C - - Google Patents
Info
- Publication number
- NL40547C NL40547C NL40547DA NL40547C NL 40547 C NL40547 C NL 40547C NL 40547D A NL40547D A NL 40547DA NL 40547 C NL40547 C NL 40547C
- Authority
- NL
- Netherlands
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
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Separation By Low-Temperature Treatments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR785140T | 1934-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL40547C true NL40547C (en:Method) |
Family
ID=9217673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL40547D NL40547C (en:Method) | 1934-04-23 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE647199C (en:Method) |
| FR (1) | FR785140A (en:Method) |
| GB (1) | GB420877A (en:Method) |
| NL (1) | NL40547C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5789847A (en) * | 1994-09-09 | 1998-08-04 | Philips Electronics North America Corporation | High efficiency sealed beam reflector lamp with reflective surface of heat treated silver |
| GB0506076D0 (en) * | 2005-03-24 | 2005-05-04 | Boc Group Plc | Method of suppressing contamination of a noble gas |
-
0
- NL NL40547D patent/NL40547C/xx active
- DE DENDAT647199D patent/DE647199C/de active Active
-
1934
- 1934-04-23 FR FR785140D patent/FR785140A/fr not_active Expired
- 1934-06-21 GB GB18422/34A patent/GB420877A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR785140A (fr) | 1935-08-02 |
| DE647199C (en:Method) | |
| GB420877A (en) | 1934-12-10 |