NL27291C - - Google Patents
Info
- Publication number
- NL27291C NL27291C NL45743A NL45743A NL27291C NL 27291 C NL27291 C NL 27291C NL 45743 A NL45743 A NL 45743A NL 45743 A NL45743 A NL 45743A NL 27291 C NL27291 C NL 27291C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/58—Thermionic-cathode tubes with more than one cathode or anode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1383929A GB334519A (en) | 1929-05-03 | 1929-05-03 | Improvements in or relating to electric discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL27291C true NL27291C (xx) | 1932-07-15 |
Family
ID=10030293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45743A NL27291C (xx) | 1929-05-03 | 1929-04-05 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR691747A (xx) |
| GB (1) | GB334519A (xx) |
| NL (1) | NL27291C (xx) |
-
1929
- 1929-04-05 NL NL45743A patent/NL27291C/xx active
- 1929-05-03 GB GB1383929A patent/GB334519A/en not_active Expired
-
1930
- 1930-03-11 FR FR691747D patent/FR691747A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR691747A (fr) | 1930-10-24 |
| GB334519A (en) | 1930-09-03 |