BE529349A - - Google Patents
Info
- Publication number
- BE529349A BE529349A BE529349DA BE529349A BE 529349 A BE529349 A BE 529349A BE 529349D A BE529349D A BE 529349DA BE 529349 A BE529349 A BE 529349A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/04—Distributing means for power supply in mines
- E21F17/06—Distributing electric power; Cable networks; Conduits for cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE740411X | 1952-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE529349A true BE529349A (xx) |
Family
ID=6643632
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520957D BE520957A (xx) | 1952-07-09 | ||
| BE529349D BE529349A (xx) | 1952-07-09 | ||
| BE529570D BE529570A (xx) | 1952-07-09 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE520957D BE520957A (xx) | 1952-07-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE529570D BE529570A (xx) | 1952-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| BE (3) | BE529570A (xx) |
| DE (1) | DE963451C (xx) |
| FR (3) | FR1096829A (xx) |
| GB (1) | GB740411A (xx) |
| NL (1) | NL87233C (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969427C (de) * | 1954-08-29 | 1958-05-29 | Telefonbau & Normalzeit Gmbh | Einrichtung zur Fernsteuerung und Rueckmeldung von ueberwachten verstellbaren Organen |
| DE1051367B (de) * | 1957-05-20 | 1959-02-26 | Licentia Gmbh | Schutzschaltung fuer Beleuchtungsanlagen, insbesondere fuer Betriebe unter Tage |
-
0
- BE BE520957D patent/BE520957A/xx unknown
- BE BE529349D patent/BE529349A/xx unknown
- BE BE529570D patent/BE529570A/xx unknown
-
1953
- 1953-06-20 DE DES33952D patent/DE963451C/de not_active Expired
- 1953-06-24 FR FR1096829D patent/FR1096829A/fr not_active Expired
- 1953-07-09 GB GB19072/53A patent/GB740411A/en not_active Expired
- 1953-07-09 NL NL179717A patent/NL87233C/xx active
-
1954
- 1954-06-02 FR FR66890D patent/FR66890E/fr not_active Expired
- 1954-06-18 FR FR67137D patent/FR67137E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1096829A (fr) | 1955-06-27 |
| DE963451C (de) | 1957-05-09 |
| BE520957A (xx) | |
| BE529570A (xx) | |
| FR67137E (fr) | 1957-11-22 |
| GB740411A (en) | 1955-11-09 |
| NL87233C (xx) | 1957-05-09 |
| FR66890E (fr) | 1957-10-31 |