Technical Specification

Features:
  • Make: Bell Systems
  • Model code: 640
Additional info:

12v DC 1 Amp standby power supply complete with 2.1 A/H battery

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Make Bell Systems
Manufacturer Bell System (Telephones) Limited
Model code 640
Additional info 12v DC 1 Amp standby power supply complete with 2.1 A/H battery
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