00747nam a22001817a 450000500170000000800410001704000090005810000370006724500930010426000720019730000150026950201020028472000330038672000410041972000310046072000380049172000360052920230512222911.0190412t        xxu||||| |||| 00| 0 eng d  cCSPC  aBorela, Eugenio Jr. V.,eauthor.00aTelephone cable tone detector/cEugenio V. Borela Jr., Vincent E. Malapo, Ervin F. Tagum  aNabua, Camarines Sur :bCamarines sur Polytechnic Colleges ;c2005.  a58 leaves.  aUndergraduate Thesis (BSECE) - Electronics EngineeringcCamarines sur Polytechnic Colleges, 2005.  aLoquias, Rizza T.,eadviser.  aOrobia, Santos M.,epanelist, chair.  aBotor, Loyd H.,epanelist.  aMasalunga, Roberto A.,epanelist.  aDimabogte, Hejie A.,epanelist.