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Publication of BE741110ApublicationCriticalpatent/BE741110A/xx
H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
H04Q9/04—Arrangements for synchronous operation
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Engineering & Computer Science
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Computer Networks & Wireless Communication
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Synchronisation In Digital Transmission Systems
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