IS:2490-(Pt.9)-1977. Indian standard tolerance limits for industrial effluents discharged in to inland surface waters. Pt.9.
Indian Standards Institution[ISI]
IS:2490-(Pt.9)-1977. Indian standard tolerance limits for industrial effluents discharged in to inland surface waters. Pt.9. - New Delhi Indian Standards Institution 1977 - 6p.
ENG
IS CODE / I.S.I
IS:2490-(Pt.9)-1977. Indian standard tolerance limits for industrial effluents discharged in to inland surface waters. Pt.9. - New Delhi Indian Standards Institution 1977 - 6p.
ENG
IS CODE / I.S.I