IS:9509-1980. Indian standard guide for treatment and disposal of effluents of viscose rayon industry.
Indian Standards Institution[ISI]
IS:9509-1980. Indian standard guide for treatment and disposal of effluents of viscose rayon industry. - New Delhi Indian Standards Institution 1980 - 18p.
ENG
IS Code / I.S.I
IS:9509-1980. Indian standard guide for treatment and disposal of effluents of viscose rayon industry. - New Delhi Indian Standards Institution 1980 - 18p.
ENG
IS Code / I.S.I