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TELEPHONES SOC IND
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TELEPHONES SOC IND
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Application filed by TELEPHONES SOC INDfiledCriticalTELEPHONES SOC IND
Application grantedgrantedCritical
Publication of FR560180ApublicationCriticalpatent/FR560180A/fr
H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
H04Q5/14—Signalling by pulses
H04Q5/16—Signalling by pulses by predetermined number of pulses
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
FR560180D1922-03-221922-03-22Sélecteur d'appel pour postes branchés sur une même ligne
ExpiredFR560180A
(fr)