IS:2180-1988. Indian standard specification for heavy duty burnt clay building bricks.
Bureau of Indian Standards[BIS]
IS:2180-1988. Indian standard specification for heavy duty burnt clay building bricks. - New Delhi Bureau of Indian Standards 1988 - 2p.
ENG
IS CODE / B.I.S
IS:2180-1988. Indian standard specification for heavy duty burnt clay building bricks. - New Delhi Bureau of Indian Standards 1988 - 2p.
ENG
IS CODE / B.I.S