IS:12269-1987. Indian standard specification for 53-grade ordinary portland cement.
Bureau of Indian Standards[BIS]
IS:12269-1987. Indian standard specification for 53-grade ordinary portland cement. - New Delhi Bureau of Indian Standards 1988 - 11p.
ENG
IS CODE / B.I.S
IS:12269-1987. Indian standard specification for 53-grade ordinary portland cement. - New Delhi Bureau of Indian Standards 1988 - 11p.
ENG
IS CODE / B.I.S