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1. Basic telephone switching systems /   Publication: Rochelle Park, N.J. : Hayden, 1979 . 184 p. : Date:1979 Availability: Copies available: Turkeyen Campus Science & Technology [TK6397 T34 1979] (1), Actions: Add to cart
2. Basic carrier telephony /   Publication: Rochelle Park,N.J. : Hayden Book Co., 1966 . v,198p. : Date:1966 Availability: Copies available: Turkeyen Campus Science & Technology [TK6421 T3 1966] (2), Actions: Add to cart No cover image available No cover image available

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