NL19503C - - Google Patents
Info
- Publication number
- NL19503C NL19503C NL19503DA NL19503C NL 19503 C NL19503 C NL 19503C NL 19503D A NL19503D A NL 19503DA NL 19503 C NL19503 C NL 19503C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE614988X | 1925-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19503C true NL19503C (en:Method) |
Family
ID=6576751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL19503D NL19503C (en:Method) | 1925-05-01 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR614988A (en:Method) |
| NL (1) | NL19503C (en:Method) |
-
0
- NL NL19503D patent/NL19503C/xx active
-
1926
- 1926-04-23 FR FR614988D patent/FR614988A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR614988A (fr) | 1926-12-27 |