BE733810A - - Google Patents
Info
- Publication number
- BE733810A BE733810A BE733810DA BE733810A BE 733810 A BE733810 A BE 733810A BE 733810D A BE733810D A BE 733810DA BE 733810 A BE733810 A BE 733810A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6807777A NL6807777A (pl) | 1968-05-31 | 1968-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE733810A true BE733810A (pl) | 1969-12-01 |
Family
ID=19803805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE733810D BE733810A (pl) | 1968-05-31 | 1969-05-29 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3611523A (pl) |
| AT (1) | AT287860B (pl) |
| BE (1) | BE733810A (pl) |
| CH (1) | CH487496A (pl) |
| DE (1) | DE1924004A1 (pl) |
| ES (1) | ES367842A1 (pl) |
| FR (1) | FR2009749A1 (pl) |
| GB (1) | GB1224869A (pl) |
| NL (1) | NL6807777A (pl) |
| PL (1) | PL71409B1 (pl) |
| ZA (1) | ZA693594B (pl) |
-
1968
- 1968-05-31 NL NL6807777A patent/NL6807777A/xx unknown
-
1969
- 1969-05-10 DE DE19691924004 patent/DE1924004A1/de active Pending
- 1969-05-20 ZA ZA693594A patent/ZA693594B/xx unknown
- 1969-05-21 US US826599A patent/US3611523A/en not_active Expired - Lifetime
- 1969-05-28 AT AT506469A patent/AT287860B/de not_active IP Right Cessation
- 1969-05-28 GB GB26980/69A patent/GB1224869A/en not_active Expired
- 1969-05-29 PL PL1969133894A patent/PL71409B1/pl unknown
- 1969-05-29 BE BE733810D patent/BE733810A/xx unknown
- 1969-05-29 ES ES367842A patent/ES367842A1/es not_active Expired
- 1969-05-29 CH CH815169A patent/CH487496A/de not_active IP Right Cessation
- 1969-05-30 FR FR6917778A patent/FR2009749A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US3611523A (en) | 1971-10-12 |
| FR2009749A1 (pl) | 1970-02-06 |
| PL71409B1 (pl) | 1974-06-29 |
| ES367842A1 (es) | 1971-06-16 |
| DE1924004A1 (de) | 1969-12-04 |
| GB1224869A (en) | 1971-03-10 |
| ZA693594B (en) | 1971-01-27 |
| AT287860B (de) | 1971-02-10 |
| NL6807777A (pl) | 1969-12-02 |
| CH487496A (de) | 1970-03-15 |