FR1489189A - Observation device for vacuum systems - Google Patents
Observation device for vacuum systemsInfo
- Publication number
- FR1489189A FR1489189A FR64712A FR64712A FR1489189A FR 1489189 A FR1489189 A FR 1489189A FR 64712 A FR64712 A FR 64712A FR 64712 A FR64712 A FR 64712A FR 1489189 A FR1489189 A FR 1489189A
- Authority
- FR
- France
- Prior art keywords
- observation device
- vacuum systems
- vacuum
- systems
- observation
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/004—Sight-glasses therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR64712A FR1489189A (en) | 1966-06-08 | 1966-06-08 | Observation device for vacuum systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR64712A FR1489189A (en) | 1966-06-08 | 1966-06-08 | Observation device for vacuum systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1489189A true FR1489189A (en) | 1967-07-21 |
Family
ID=8610483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR64712A Expired FR1489189A (en) | 1966-06-08 | 1966-06-08 | Observation device for vacuum systems |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1489189A (en) |
-
1966
- 1966-06-08 FR FR64712A patent/FR1489189A/en not_active Expired
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