NL36486C - - Google Patents
Info
- Publication number
- NL36486C NL36486C NL36486DA NL36486C NL 36486 C NL36486 C NL 36486C NL 36486D A NL36486D A NL 36486DA NL 36486 C NL36486 C NL 36486C
- 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 |
|---|---|---|---|
| US381581XA | 1930-06-26 | 1930-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL36486C true NL36486C (ja�@�@) |
Family
ID=21898374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL36486D NL36486C (ja�@�@) | 1930-06-26 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE380871A (ja�@�@) |
| FR (1) | FR718823A (ja�@�@) |
| GB (1) | GB381581A (ja�@�@) |
| NL (1) | NL36486C (ja�@�@) |
-
0
- BE BE380871D patent/BE380871A/xx unknown
- NL NL36486D patent/NL36486C/xx active
-
1931
- 1931-06-18 FR FR718823D patent/FR718823A/fr not_active Expired
- 1931-06-24 GB GB18278/31A patent/GB381581A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR718823A (fr) | 1932-01-29 |
| BE380871A (ja�@�@) | |
| GB381581A (en) | 1932-09-26 |