pdf C70.121.3 i1 Dec59 - 2A and 2B Key Telephone Systems - Conn Popular
By Paul F 406 downloads
C70.121.3_i1_Dec59_2A_and_2B_Key_Telephone_Systems_Conn_tci_ocr.pdf
2A uses a 321-type telephone set with 112A amplifier. 2B uses a 330-type telephone set. Rescanned - improved image quality. Contributed and scanned by Steve Cichorsky. OCR and processing by Paul Fassbender.
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