00493nam a2200169Ia 4500008004100000041000800041082001400049100003000063245002800093250000800121260004700129300000600176650002200182942000700204952009700211999001500308230711s9999||||xx |||||||||||||| ||und||  aENG  a624bBU-I  aBureau of Indian Standard 0aIS : 2720 Pt XXIII 1976  a1st  c1976aNew DelhibBureau of Indian Standard  a6  aCivil Engineering  cBK  001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip16527r2023-08-17 14:04:08w2023-08-17yBK  c4737d4737