FR339739A - Système de communication pour relier ensemble les abonnés de stations centrales téléphoniques ou autres stations centrales électriques
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Système de communication pour relier ensemble les abonnés de stations centrales téléphoniques ou autres stations centrales électriques
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JEAN WINTER
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JEAN WINTER
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Publication of FR339739ApublicationCriticalpatent/FR339739A/fr
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector
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Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Telephone Set Structure
(AREA)
FR339739A1904-01-20Système de communication pour relier ensemble les abonnés de stations centrales téléphoniques ou autres stations centrales électriques
ExpiredFR339739A
(fr)