KR900019333U - Serial cathode manufacturing equipment - Google Patents
Serial cathode manufacturing equipmentInfo
- Publication number
- KR900019333U KR900019333U KR2019890004482U KR890004482U KR900019333U KR 900019333 U KR900019333 U KR 900019333U KR 2019890004482 U KR2019890004482 U KR 2019890004482U KR 890004482 U KR890004482 U KR 890004482U KR 900019333 U KR900019333 U KR 900019333U
- Authority
- KR
- South Korea
- Prior art keywords
- manufacturing equipment
- cathode manufacturing
- serial
- serial cathode
- equipment
- Prior art date
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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/06—Machines therefor
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890004482U KR910005840Y1 (en) | 1989-04-11 | 1989-04-11 | Electrode manufacturing device of directly heating type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890004482U KR910005840Y1 (en) | 1989-04-11 | 1989-04-11 | Electrode manufacturing device of directly heating type |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900019333U true KR900019333U (en) | 1990-11-09 |
KR910005840Y1 KR910005840Y1 (en) | 1991-08-05 |
Family
ID=19285116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890004482U KR910005840Y1 (en) | 1989-04-11 | 1989-04-11 | Electrode manufacturing device of directly heating type |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910005840Y1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100454260B1 (en) * | 2001-06-08 | 2004-10-28 | 주식회사 에코썸 | Advanced water and wastewater treatment apparatus and method |
-
1989
- 1989-04-11 KR KR2019890004482U patent/KR910005840Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910005840Y1 (en) | 1991-08-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19940725 Year of fee payment: 6 |
|
LAPS | Lapse due to unpaid annual fee |