00544nam a2200169Ia 4500003000900000008004100009040001600050080002300066110003300089245010700122260005000229300000800279500001900287650002900306650001800335650002100353IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.472bISI  aIndian Standards Institution 0aIndian standard sizes for squares holes for general enginnering purposescIndian Standards Institution  aNew DelhibIndian Standards Institutionc1969  a2p.  aIS 2769 : 1969  a Square Holes-Standards  a Standards   aNASA Thesaurus