NL28296C - - Google Patents
Info
- Publication number
- NL28296C NL28296C NL49248A NL49248A NL28296C NL 28296 C NL28296 C NL 28296C NL 49248 A NL49248 A NL 49248A NL 49248 A NL49248 A NL 49248A NL 28296 C NL28296 C NL 28296C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE344844X | 1928-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28296C true NL28296C (ja) | 1932-11-15 |
Family
ID=6254230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49248A NL28296C (ja) | 1928-12-03 | 1929-12-08 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR685902A (ja) |
| GB (1) | GB344844A (ja) |
| NL (1) | NL28296C (ja) |
-
1929
- 1929-12-02 GB GB36927/29A patent/GB344844A/en not_active Expired
- 1929-12-02 FR FR685902D patent/FR685902A/fr not_active Expired
- 1929-12-08 NL NL49248A patent/NL28296C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| GB344844A (en) | 1931-03-02 |
| FR685902A (fr) | 1930-07-18 |