NL55499C - - Google Patents
Info
- Publication number
- NL55499C NL55499C NL55499DA NL55499C NL 55499 C NL55499 C NL 55499C NL 55499D A NL55499D A NL 55499DA NL 55499 C NL55499 C NL 55499C
- 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
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE869501X | 1939-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL55499C true NL55499C (https=) |
Family
ID=6802959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55499D NL55499C (https=) | 1939-05-22 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR869501A (https=) |
| IT (1) | IT383299A (https=) |
| NL (1) | NL55499C (https=) |
-
0
- IT IT383299D patent/IT383299A/it unknown
- NL NL55499D patent/NL55499C/xx active
-
1941
- 1941-01-25 FR FR869501D patent/FR869501A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT383299A (https=) | |
| FR869501A (fr) | 1942-02-04 |