00959nam\a2200289\a\4500 BD-KhUET 20121113183620.0 121113s1980\\\\njua\\\\\\\\\\001\0\eng\\ 79050792 0810456877 : $7.95 9780810456877 DLC DLC DLC BD-KhUET. TK6397 .T34 1979 621.3857 Talley, David. 9886 Basic telephone switching systems / David Talley. 2d ed. Rochelle Park, N.J. : Hayden Book Co. ; D. B. Taraporevala Sons and Co., c1980. 166 p. : ill. ; 25 cm. Includes index. Printed in India. Telephone systems. 8875 Telephone, Automatic. 9887 ddc BK 8127 8127 0 0 ddc 0 0 KUETCL KUETCL GEN 1983-06-15 50.00 0 621.3857 TAL 3010009032 2012-11-13 00:00:00 1 2012-11-13 BK