00457nam a2200133Ia 450000500170000000800460001703700120006304000210007504100130009608400230010924500990013226000820023130000100031320250508155642.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a371.426, NCEqFEDL 0aReading blue prints and sketching: An elementary textbook for technical and vocational schools  aNew Delhi, IndiabNational Council of Educational Research and Trainingc1968  a119p.