FR596241A - Perfectionnements dans les systèmes téléphoniques automatiques complets ou dans les systèmes téléphoniques semi-automatiques
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Perfectionnements dans les systèmes téléphoniques automatiques complets ou dans les systèmes téléphoniques semi-automatiques
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Thales SA
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Le Materiel Telephonique Thomson CSF
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Publication of FR596241ApublicationCriticalpatent/FR596241A/fr
H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
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Engineering & Computer Science
(AREA)
Computer Networks & Wireless Communication
(AREA)
FR596241D1925-04-031925-04-03Perfectionnements dans les systèmes téléphoniques automatiques complets ou dans les systèmes téléphoniques semi-automatiques
ExpiredFR596241A
(fr)