FR827309A - Dispositif pour la mise en position voulue de butées de commutation de sélecteurs rapides en vue d'établir des liaisons téléphoniques
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Dispositif pour la mise en position voulue de butées de commutation de sélecteurs rapides en vue d'établir des liaisons téléphoniques
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Ronag A G
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Ronag A G
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H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
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Engineering & Computer Science
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Signal Processing
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Telephone Set Structure
(AREA)
FR827309D1936-05-221937-05-14Dispositif pour la mise en position voulue de butées de commutation de sélecteurs rapides en vue d'établir des liaisons téléphoniques
ExpiredFR827309A
(fr)