00369nam a2200133Ia 4500008004100000041000800041082001400049100003000063245005400093250000800147260004700155300000600202650002700208230711s9999||||xx |||||||||||||| ||und||  aENG  a666bBU-I  aBureau of Indian Standard 0aSI : 8112 1989b43 grade ordinary portland cement  a1st  c1989aNew DelhibBureau of Indian Standard  a7  aMechanical Engineering