BE524409A - - Google Patents

Info

Publication number
BE524409A
BE524409A BE524409DA BE524409A BE 524409 A BE524409 A BE 524409A BE 524409D A BE524409D A BE 524409DA BE 524409 A BE524409 A BE 524409A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE524409A publication Critical patent/BE524409A/xx

Links

Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21F17/18—Special adaptations of signalling or alarm devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
BE524409D 1952-11-23 BE524409A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES31166A DE941737C (de) 1952-11-23 1952-11-23 Elektrische Leitungsanlage, insbesondere fuer Beleuchtungsstromkreise in Untertagebetrieben

Publications (1)

Publication Number Publication Date
BE524409A true BE524409A (zh)

Family

ID=7480412

Family Applications (1)

Application Number Title Priority Date Filing Date
BE524409D BE524409A (zh) 1952-11-23

Country Status (3)

Country Link
BE (1) BE524409A (zh)
DE (1) DE941737C (zh)
NL (1) NL85679C (zh)

Also Published As

Publication number Publication date
NL85679C (zh)
DE941737C (de) 1956-04-19

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