IS:5312-(Pt.2)-1986. Indian standard specification for swing check type reflux (non-return) valves for water works purpose. Pt.2 : multidoor pattern.
Bureau of Indian Standards[BIS]
IS:5312-(Pt.2)-1986. Indian standard specification for swing check type reflux (non-return) valves for water works purpose. Pt.2 : multidoor pattern. - New Delhi Bureau of Indian Standards 1987 - 13p.
ENG
IS Code / B.I.S
IS:5312-(Pt.2)-1986. Indian standard specification for swing check type reflux (non-return) valves for water works purpose. Pt.2 : multidoor pattern. - New Delhi Bureau of Indian Standards 1987 - 13p.
ENG
IS Code / B.I.S