00293nam a2200109Ia 4500082002500000100005900025245003400084260004000118300001500158500000500173700000500178  a338.0954025bIn39.HI  aIndia. Technical Development, Directorate General of-.  aHandbook of industrial datab  aDelhibManager of Publicationc1968  aiii, 206p.  a  a