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pdf GSP 478-120-200 I3 Electronic Secretary - Installation & Field Maintenance Popular

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GSP_478-120-200_I3_Aug67_ElectSec_Instal_FieldMaint.pdf

GSP 478-120-200 I3 Electronic Secretary - Installation & Field Maintenance
Aug 67. Model AO-3. Automated answering device using a magnetic tape cartridge for announcements (no recording).

pdf GSP 478-130-200 I1 Electronic Secretary LP-TD-C Installation & Field Maintenance Popular

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GSP_478-130-200_I1_May66_LP_TD_C_ElectSec_Instal_FieldMaint.pdf

GSP 478-130-200 I1 Electronic Secretary LP-TD-C Installation & Field Maintenance
May 66.  Telephone Answering and Recording Set.

pdf GSP 478-202-100 I4 Magicall Dialer Popular

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GTE 478-202-100 Magicall Dialer.pdf

GSP 478-202-100 I4 Magicall Dialer
Jul 78.  Model E-2.  Includes schematics and wiring info for numerous telephone set models.

pdf GSP 478-428-110 I1 Oct82 PC-50B Conference Set Ocr R Popular

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GSP_478-428-110_i1_Oct82_PC-50B_Conference_Set_ocr_r.pdf

GSP 478-428-110 I1 Oct82 PC-50B Conference Set Ocr R

Contributed by Steve Cichorsky. 

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