00534nam a2200169Ia 4500003000900000008004100009040001600050080002500066110003300091245009400124260005000218300000800268500001900276650003000295650001800325650002100343IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.886.8bISI  aIndian Standards Institution 0aIndian standard specification for parallel keys and kyewayscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1975  a7p.  aIS 2048 : 1975  a Parallel Keys-Standards  a Standards   aNASA Thesaurus