00768nam a2200217Ia 4500003000900000008004100009040001600050080002500066110003300091245011200124260005000236300000900286500001900295650002700314650002500341650001800366650002100384942000700405999001500412952012300427IN-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 98867 a Sewave Works98868 a Standards  aNASA Thesaurus  cBK c4961d4961 00104070aBANbBANcGENd1976-09-09g8.00l0o083.7:621.643.2/ ISIp5549r2021-11-05v8.00w1976-09-09yBKGRs. 8.00