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Title: Telephone crossbar switch RVD 211, Swedish Ericsson, 1970 [Go to resource]
Description: Telephone crossbar switch RVD 211, Swedish Ericsson, 1970 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1970 Source: Science Museum Identifier: 1970-455 Go to resource More Like this...
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