NL183310B - TESTING DEVICE FOR PRODUCTION CAPACITY OF AN EARTH FORMATION. - Google Patents
TESTING DEVICE FOR PRODUCTION CAPACITY OF AN EARTH FORMATION.Info
- Publication number
- NL183310B NL183310B NLAANVRAGE7316966,A NL183310DA NL183310B NL 183310 B NL183310 B NL 183310B NL 183310D A NL183310D A NL 183310DA NL 183310 B NL183310 B NL 183310B
- Authority
- NL
- Netherlands
- Prior art keywords
- testing device
- production capacity
- earth formation
- earth
- formation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
- H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL780040X | 1953-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL183310B true NL183310B (en) |
Family
ID=19830143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7316966,A NL183310B (en) | 1953-12-03 | TESTING DEVICE FOR PRODUCTION CAPACITY OF AN EARTH FORMATION. |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1127404A (en) |
GB (1) | GB780040A (en) |
NL (1) | NL183310B (en) |
-
0
- NL NLAANVRAGE7316966,A patent/NL183310B/en unknown
-
1954
- 1954-12-01 GB GB34811/54A patent/GB780040A/en not_active Expired
- 1954-12-02 FR FR1127404D patent/FR1127404A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1127404A (en) | 1956-12-17 |
GB780040A (en) | 1957-07-31 |
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