NL49847C - - Google Patents
Info
- Publication number
- NL49847C NL49847C NL49847DA NL49847C NL 49847 C NL49847 C NL 49847C NL 49847D A NL49847D A NL 49847DA NL 49847 C NL49847 C NL 49847C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
- H01J61/523—Heating or cooling particular parts of the lamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE493520X | 1936-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49847C true NL49847C (it) |
Family
ID=6544573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49847D NL49847C (it) | 1936-04-09 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR819968A (it) |
| GB (1) | GB493520A (it) |
| NL (1) | NL49847C (it) |
-
0
- NL NL49847D patent/NL49847C/xx active
-
1937
- 1937-03-30 FR FR819968D patent/FR819968A/fr not_active Expired
- 1937-04-09 GB GB10187/37A patent/GB493520A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB493520A (en) | 1938-10-10 |
| FR819968A (fr) | 1937-10-29 |