00542nam a2200169Ia 4500003000900000008004100009040001600050080002100066110003300087245009900120260005000219300000900269500001800278650003700296650001800333650002100351IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.7bISI  aIndian Standards Institution 0aIndian standard code of practice for general enginering drawingscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1973  a82p.  aIS 696 : 1972  a Engineering Drawings-Standards  a Standards   aNASA Thesaurus