FR1141292A - Vacuum gauge - Google Patents
Vacuum gaugeInfo
- Publication number
- FR1141292A FR1141292A FR1141292DA FR1141292A FR 1141292 A FR1141292 A FR 1141292A FR 1141292D A FR1141292D A FR 1141292DA FR 1141292 A FR1141292 A FR 1141292A
- Authority
- FR
- France
- Prior art keywords
- vacuum gauge
- gauge
- vacuum
- Prior art date
- 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
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1141292X | 1955-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1141292A true FR1141292A (en) | 1957-08-29 |
Family
ID=4559713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1141292D Expired FR1141292A (en) | 1955-02-17 | 1956-02-14 | Vacuum gauge |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH334685A (en) |
FR (1) | FR1141292A (en) |
-
1955
- 1955-02-17 CH CH334685D patent/CH334685A/en unknown
-
1956
- 1956-02-14 FR FR1141292D patent/FR1141292A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH334685A (en) | 1958-12-15 |
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