00554nam a2200169Ia 4500008004100000041000800041082001400049100003000063245008400093250000800177260004700185300000700232650002700239942000700266952009600273999001500369230711s9999||||xx |||||||||||||| ||und||  aENG  a624bBU-I  aBureau of Indian Standard 0aIS : 1172 1983bCode basic requirement for water supply,draiange and sanitation  a3rd  c1984aNew DelhibBureau of Indian Standard  a22  aMechanical Engineering  cBK  001040708CaMCLbMCLd0000-00-00l0o624 BU-Ip7560r2023-08-17 14:41:19w2023-08-17yBK  c7844d7844