IS:9222-(Pt.1)-1990. Indian standard recommendations for handling and doing devices for chemicals for water treatment. Pt.1 : coagulants.
Bureau of Indian Standards[BIS]
IS:9222-(Pt.1)-1990. Indian standard recommendations for handling and doing devices for chemicals for water treatment. Pt.1 : coagulants. - New Delhi Bureau of Indian Standards 1991 - 5p.
ENG
IS CODE / B.I.S
IS:9222-(Pt.1)-1990. Indian standard recommendations for handling and doing devices for chemicals for water treatment. Pt.1 : coagulants. - New Delhi Bureau of Indian Standards 1991 - 5p.
ENG
IS CODE / B.I.S