00466nam a2200157Ia 4500008004100000041000800041082001400049100003000063245001900093250000800112260004700120650002200167942000700189952009700196999001500293230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aIS : Gr 7 1964 a1st c1964aNew DelhibBureau of Indian Standard aCivil Engineering cBK 001040708RaMCLbMCLd0000-00-00l0o624 BU-Ip13440r2023-08-17 14:03:33w2023-08-17yBK c3979d3979