IS:8413-(Pt.1)-1977. Indian standard requirements for biological treatment equipment. Pt.1 : trickling filters.
Indian Standards Institution[ISI]
IS:8413-(Pt.1)-1977. Indian standard requirements for biological treatment equipment. Pt.1 : trickling filters. - New Delhi Indian Standards Institution 1977 - 16p.
ENG
IS Code / I.S.I
IS:8413-(Pt.1)-1977. Indian standard requirements for biological treatment equipment. Pt.1 : trickling filters. - New Delhi Indian Standards Institution 1977 - 16p.
ENG
IS Code / I.S.I