FR1316718A - Vacuum pump improvements - Google Patents
Vacuum pump improvementsInfo
- Publication number
- FR1316718A FR1316718A FR882986A FR882986A FR1316718A FR 1316718 A FR1316718 A FR 1316718A FR 882986 A FR882986 A FR 882986A FR 882986 A FR882986 A FR 882986A FR 1316718 A FR1316718 A FR 1316718A
- Authority
- FR
- France
- Prior art keywords
- vacuum pump
- pump improvements
- vacuum
- pump
- 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
- H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR882986A FR1316718A (en) | 1960-12-23 | 1961-12-23 | Vacuum pump improvements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4428760A GB921666A (en) | 1960-12-23 | 1960-12-23 | Improvements relating to vacuum pumps |
FR882986A FR1316718A (en) | 1960-12-23 | 1961-12-23 | Vacuum pump improvements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1316718A true FR1316718A (en) | 1963-02-01 |
Family
ID=26193675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR882986A Expired FR1316718A (en) | 1960-12-23 | 1961-12-23 | Vacuum pump improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1316718A (en) |
-
1961
- 1961-12-23 FR FR882986A patent/FR1316718A/en not_active Expired
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