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Filing date
Publication date
Application filedfiledCritical
Priority to JP7004375ApriorityCriticalpatent/JPS51144934A/ja
Publication of JPS51144934ApublicationCriticalpatent/JPS51144934A/ja
Publication of JPS5732586B2publicationCriticalpatent/JPS5732586B2/ja
Remote Monitoring And Control Of Power-Distribution Networks
(AREA)
Time-Division Multiplex Systems
(AREA)
Selective Calling Equipment
(AREA)
JP7004375A1975-06-091975-06-09A remote control transmission device for reducing number of transmissi on lines below one third of them making use of multi-phase power waves
GrantedJPS51144934A
(en)