00570    a2200181   450000500170000000800410001701000140005802000230007203500130009503700180010808200120012610000180013824500510015625000120020726000350021927001090025430000250036320080828142623.0080828t        xxu||||| |||| 00| 0 eng d  aENG-87372  a8183600093c150.00  aEN-70905  bD.B.Act / Pub  a621.382  aPhatak, A. P.  aTelecommunications technologycby A. P. Phatak  a2nd ed.  aNew DelhibJain Brothersc2007  a16/873, East Park Road, Karol BaghbNew Delhie110005k011-23618426, 011-23619023mjain_bros@hotmail.com  a213 p.c24 cm. (Pbk)