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Aclaración/resumen:
With rotary dial. For the operation in two and four-wire conditions of stationary webs classified and confidential communication on short lines.
Descripción completa de la marca:
The feeding is performed from automatic telephone station or switching equipment by the direct current source constrainedly 60 in. Has tone dual-frequency calling device, electrostatic and EM screening.
In case of t from 5°Ñ up to 40°Ñ and relative humidity up to 80% in case of t are operated 25°Ñ.
Versiones/????????????
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Marcación de la versión Inter Nac.
For the operation in two, four of wire conditions of