IS:778-1984. Indian standard specification for copper alloy gate, globe check valves for water works purposes.
Indian Standards Institution[ISI]
IS:778-1984. Indian standard specification for copper alloy gate, globe check valves for water works purposes. - New Delhi Indian Standards Institution 1986 - 25p.
ENG
IS Code / I.S.I
IS:778-1984. Indian standard specification for copper alloy gate, globe check valves for water works purposes. - New Delhi Indian Standards Institution 1986 - 25p.
ENG
IS Code / I.S.I