00575nam a2200181Ia 4500003000900000008004100009040001600050080002500066110003300091245011200124260005000236300000900286500001900295650002100314650001900335650001800354650002100372IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:621.643.2bISI  aIndian Standards Institution 0aIndian standard code of practice for laying of asbestos cement pressure pipescIndian Standards Institution  aNew DelhibIndian Standards Institutionc1972  a19p.  aIS 6530 : 1972  a Septic Tanks   a Sewave Works  a Standards   aNASA Thesaurus