IS:10646-1991. Indian standard canal linings : cement concrete tiles : specification.
Bureau of Indian Standards[BIS]
IS:10646-1991. Indian standard canal linings : cement concrete tiles : specification. - New Delhi Bureau of Indian Standards 1991 - 2p.
IS CODE / B.I.S
IS:10646-1991. Indian standard canal linings : cement concrete tiles : specification. - New Delhi Bureau of Indian Standards 1991 - 2p.
IS CODE / B.I.S