pdf AT&T Spec 4448 Mar25 - Stations Apparatus for Deaf Subscribers Popular
By Paul F 1868 downloads
Spec4448_Mar25_-_Stations_Apparatus_for_Deaf_Subscribers_tci-ocr.pdf
Includes: Double Head Receiver Installations; Temporary Amplifier Installations w/ #27-A Amplifier; and Permanent Amplifier Installations w/ #23-A Amplifier and #6013-A Key. ATT. Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender.
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