00385nam a2200133Ia 4500008004100000041000800041082001400049100003000063245007000093250000800163260004700171300000600218650002700224230711s9999||||xx |||||||||||||| ||und||  aENG  a666bBU-I  aBureau of Indian Standard 0aSI : 4031 Pt VIbMethod of physical tets for hydralic cement Pt 6  a1st  c1988aNew DelhibBureau of Indian Standard  a3  aMechanical Engineering