IS:781-1984. Indian standard specification for cast copper alloy screw down bib taps and stop valves for water services.
Indian Standards Institution[ISI]
IS:781-1984. Indian standard specification for cast copper alloy screw down bib taps and stop valves for water services. - New Delhi Indian Standards Institution 1985 - 13p.
ENG
IS Code / I.S.I
IS:781-1984. Indian standard specification for cast copper alloy screw down bib taps and stop valves for water services. - New Delhi Indian Standards Institution 1985 - 13p.
ENG
IS Code / I.S.I