NL56444C - - Google Patents
Info
- Publication number
- NL56444C NL56444C NL56444DA NL56444C NL 56444 C NL56444 C NL 56444C NL 56444D A NL56444D A NL 56444DA NL 56444 C NL56444 C NL 56444C
- 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 |
|---|---|---|---|
| DE881290X | 1940-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL56444C true NL56444C (https=) |
Family
ID=6828844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL56444D NL56444C (https=) | 1940-11-20 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR881290A (https=) |
| NL (1) | NL56444C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2518314A (en) * | 1947-12-08 | 1950-08-08 | Hellan Haakon | Valve construction for regenerative furnaces |
-
0
- NL NL56444D patent/NL56444C/xx active
-
1942
- 1942-04-16 FR FR881290D patent/FR881290A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR881290A (fr) | 1943-04-20 |