SPECIFICATION FOR HIGH STRENGTH ORDINARY PORTLAND CEMENT
INDIAN STANDARDS INSTITUTION
SPECIFICATION FOR HIGH STRENGTH ORDINARY PORTLAND CEMENT - Copy - INDIAN STANDARDS 1979 - 10 - N .
GIFTED BY Mr L N BANSAL
SPECIFICATION FOR HIGH STRENGTH ORDINARY PORTLAND CEMENT - Copy - INDIAN STANDARDS 1979 - 10 - N .
GIFTED BY Mr L N BANSAL