FR767712A - - Google Patents
Info
- Publication number
- FR767712A FR767712A FR767712DA FR767712A FR 767712 A FR767712 A FR 767712A FR 767712D A FR767712D A FR 767712DA FR 767712 A FR767712 A FR 767712A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767712A true FR767712A (xx) | 1934-07-23 |
Family
ID=1551661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767712D Expired FR767712A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767712A (xx) |
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0
- FR FR767712D patent/FR767712A/fr not_active Expired