NL50729C - - Google Patents
Info
- Publication number
- NL50729C NL50729C NL50729DA NL50729C NL 50729 C NL50729 C NL 50729C NL 50729D A NL50729D A NL 50729DA NL 50729 C NL50729 C NL 50729C
- 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)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE207012X | 1937-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50729C true NL50729C (en:Method) |
Family
ID=5793476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50729D NL50729C (en:Method) | 1937-03-09 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH207012A (en:Method) |
| GB (1) | GB496856A (en:Method) |
| NL (1) | NL50729C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2540647A (en) * | 1945-05-04 | 1951-02-06 | Hartford Nat Bank & Trust Co | Method of manufacturing electronic tubes with active getters |
| NL132102C (en:Method) * | 1965-02-25 | 1900-01-01 |
-
0
- NL NL50729D patent/NL50729C/xx active
-
1938
- 1938-03-07 CH CH207012D patent/CH207012A/de unknown
- 1938-03-07 GB GB7157/38A patent/GB496856A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB496856A (en) | 1938-12-07 |
| CH207012A (de) | 1939-09-15 |