FR858785A - - Google Patents
Info
- Publication number
- FR858785A FR858785A FR858785DA FR858785A FR 858785 A FR858785 A FR 858785A FR 858785D A FR858785D A FR 858785DA FR 858785 A FR858785 A FR 858785A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US531812XA | 1938-08-06 | 1938-08-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR858785A true FR858785A (en) | 1940-12-04 |
Family
ID=21982447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858785D Expired FR858785A (en) | 1938-08-06 |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR858785A (en) |
GB (1) | GB531812A (en) |
NL (1) | NL54466C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1011072B (en) * | 1953-04-17 | 1957-06-27 | Pintsch Electro Gmbh | Method for introducing Hg into electrical discharge vessels, especially in low-voltage fluorescent lamps |
-
0
- FR FR858785D patent/FR858785A/fr not_active Expired
- NL NL54466D patent/NL54466C/xx active
-
1939
- 1939-08-03 GB GB22503/39A patent/GB531812A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB531812A (en) | 1941-01-10 |
NL54466C (en) |