NL29815C - - Google Patents
Info
- Publication number
- NL29815C NL29815C NL29815DA NL29815C NL 29815 C NL29815 C NL 29815C NL 29815D A NL29815D A NL 29815DA NL 29815 C NL29815 C NL 29815C
- 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
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE536371T | 1930-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL29815C true NL29815C (en:Method) |
Family
ID=34122337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL29815D NL29815C (en:Method) | 1930-07-19 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE536371C (en:Method) |
| FR (1) | FR712693A (en:Method) |
| NL (1) | NL29815C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2569058A (en) * | 1947-09-25 | 1951-09-25 | Ranco Inc | Method of forming berylliumcopper alloy bellows |
-
0
- NL NL29815D patent/NL29815C/xx active
-
1930
- 1930-07-19 DE DE1930536371D patent/DE536371C/de not_active Expired
-
1931
- 1931-03-05 FR FR712693D patent/FR712693A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR712693A (fr) | 1931-10-07 |
| DE536371C (de) | 1931-10-23 |