00533nam a2200169Ia 4500003000900000008004100009040001600050080002500066110003300091245009300124260005000217300000800267500001900275650003000294650001800324650002100342IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.886.8bISI  aIndian Standards Institution 0aIndian standard specification for gibhead keys and keywayscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1975  a5p.  aIS 2293 : 1974  a Gibheads Keys-Standards  a Standards   aNASA Thesaurus