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1
The invisible empire
a history of the telecommunications industry in Canada, 184...
Copies:
Zentrale:E03 a puz 941.1 7ea/346
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2
Canadian contributions to telecommunications
an overview of significant activities
Copies:
Zentrale:Magazin vd 0041
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3
A voice from afar. The history of telecommunications in Can..:
Copies:
Zentrale:E02 a ver 853 7ea/32
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