00369nam a2200133Ia 4500008004100000041000800041082001400049100003000063245005800093250000800151260004700159300000700206650002200213230711s9999||||xx |||||||||||||| ||und|| aENG a624bBU-I aBureau of Indian Standard 0aIS : 4926 1970bSpecification for readymixed concrete a1st c1976aNew DelhibBureau of Indian Standard a12 aCivil Engineering