NL18217C - - Google Patents
Info
- Publication number
- NL18217C NL18217C NL18217DA NL18217C NL 18217 C NL18217 C NL 18217C NL 18217D A NL18217D A NL 18217DA NL 18217 C NL18217 C NL 18217C
- Authority
- NL
- Netherlands
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
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL221231X | 1923-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL18217C true NL18217C (fr) |
Family
ID=19779371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL18217D NL18217C (fr) | 1923-06-02 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE446210C (fr) |
| FR (1) | FR582006A (fr) |
| GB (1) | GB221231A (fr) |
| NL (1) | NL18217C (fr) |
-
0
- NL NL18217D patent/NL18217C/xx active
-
1924
- 1924-05-27 FR FR582006D patent/FR582006A/fr not_active Expired
- 1924-05-31 GB GB20611/24A patent/GB221231A/en not_active Expired
- 1924-06-01 DE DEN23255D patent/DE446210C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB221231A (en) | 1925-04-30 |
| DE446210C (de) | 1927-06-25 |
| FR582006A (fr) | 1924-12-10 |