00615nam a2200181Ia 4500003000900000008004100009040001600050080002900066110003300095245013900128260005000267300000900317500002800326650002100354650001900375650001800394650002100412IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.7:628.352.001.3bISI  aIndian Standards Institution 0aIndian standard code of practice for design and construction of septic tanksbpt. 2, large installationscIndian Standards Institution  aNew DelhibIndian Standards Institutionc1971  a14p.  aIS 2470 : Part 2 : 1971  a Septic Tanks   a Sewave Works  a Standards   aNASA Thesaurus