00494nam a2200169Ia 4500008004100000041000800041082001400049100003000063245002800093250000800121260004700129300000700176650002200183942000700205952009700212999001500309230711s9999||||xx |||||||||||||| ||und||  aENG  a624bBU-I  aBureau of Indian Standard 0aIS : 2720 Pt XXXIX 1977  a1st  c1978aNew DelhibBureau of Indian Standard  a14  aCivil Engineering  cBK  001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip16559r2023-08-17 14:04:09w2023-08-17yBK  c4766d4766