00386nam a2200133Ia 4500008004100000041000800041082001400049100003000063245007100093250000800164260004700172300000600219650002700225230711s9999||||xx |||||||||||||| ||und||  aENG  a666bBU-I  aBureau of Indian Standard 0aSI : 4031 Pt 13bMethod of physical test for hydraluic cement Pt I  a1st  c1986aNew DelhibBureau of Indian Standard  a1  aMechanical Engineering