IS:2470-(Pt.2)-1985. Indian standard code of practice for installation of septic tanks. Pt.2 : secondary treatment and disposal of septic tank effluent.
Indian Standards Institution[ISI]
IS:2470-(Pt.2)-1985. Indian standard code of practice for installation of septic tanks. Pt.2 : secondary treatment and disposal of septic tank effluent. - New Delhi Indian Standards Institution 1985 - 22p.
ENG
IS CODE / I.S.I
IS:2470-(Pt.2)-1985. Indian standard code of practice for installation of septic tanks. Pt.2 : secondary treatment and disposal of septic tank effluent. - New Delhi Indian Standards Institution 1985 - 22p.
ENG
IS CODE / I.S.I