BE446689A - - Google Patents
Info
- Publication number
- BE446689A BE446689A BE446689DA BE446689A BE 446689 A BE446689 A BE 446689A BE 446689D A BE446689D A BE 446689DA BE 446689 A BE446689 A BE 446689A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/001—Non-constructive schematic arrangements
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT350331X | 1955-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE446689A true BE446689A (de) |
Family
ID=11241101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE446689D BE446689A (de) | 1955-11-25 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE446689A (de) |
| CH (2) | CH350331A (de) |
| DE (2) | DE1011938B (de) |
| FR (2) | FR1168937A (de) |
| NL (1) | NL102406C (de) |
-
0
- NL NL102406D patent/NL102406C/xx active
- BE BE446689D patent/BE446689A/xx unknown
-
1956
- 1956-10-31 CH CH350331D patent/CH350331A/de unknown
- 1956-11-05 DE DES51149A patent/DE1011938B/de active Pending
- 1956-11-06 CH CH360423D patent/CH360423A/de unknown
- 1956-11-17 DE DES51292A patent/DE1014600B/de active Pending
- 1956-11-26 FR FR1168937D patent/FR1168937A/fr not_active Expired
- 1956-11-29 FR FR71226D patent/FR71226E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL102406C (de) | |
| CH350331A (de) | 1960-11-30 |
| DE1014600B (de) | 1957-08-29 |
| CH360423A (de) | 1962-02-28 |
| FR71226E (fr) | 1959-10-30 |
| FR1168937A (fr) | 1958-12-18 |
| DE1011938B (de) | 1957-07-11 |