NL31934C - - Google Patents
Info
- Publication number
- NL31934C NL31934C NL31934DA NL31934C NL 31934 C NL31934 C NL 31934C NL 31934D A NL31934D A NL 31934DA NL 31934 C NL31934 C NL 31934C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL710006X | 1928-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31934C true NL31934C (https=) |
Family
ID=19812186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31934D NL31934C (https=) | 1928-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL31934C (https=) |
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0
- NL NL31934D patent/NL31934C/xx active