00405nam a2200133Ia 4500008004100000041000800041082001400049100003000063245009000093250000800183260004700191300000600238650002700244230711s9999||||xx |||||||||||||| ||und||  aENG  a666bBU-I  aBureau of Indian Standard 0aSI : 7246 1974brecommendations for use of table variators for condoildating concrete  a1st  c1974aNew DelhibBureau of Indian Standard  a8  aMechanical Engineering