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Publication of FR1040302ApublicationCriticalpatent/FR1040302A/fr
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
H04M1/65—Recording arrangements for recording a message from the calling party
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FR1040302D1951-08-021951-08-02Dispositif répondeur et enregistreur automatique pour téléphone
ExpiredFR1040302A
(fr)