00314nam a2200121Ia 4500082002800000100005900028245003300087250000800120260004000128300001400168500000500182700000500187  a338.4762180954bIn39.BM  aIndia. Technical Development, Directorate General of-.  aBuild machines-build Indiab  a4th  aDelhibManager of Publicationc1972  avi, 355p.  a  a