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OCR-text (abbyy)
Exc.hange.s
/^ ^
^/vy/
Automatic telephone exchangas with crossbar
switches. Switch calculations. General survey.
4:o Stockholm 1955-
L. M. Ericsson.
OCR-text (abbyy-crop)
Exchanges 21421 47 ‘a
Automatic telephone exchanges with crossbar
switches. Switch calculations. General survey.
4:0 Stockholm 1955 .
L. M. Ericsson.
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