IS:909-1975. Indian standard specification for underground fire hydrant, sluice-valve type.
Indian Standards Institution[ISI]
IS:909-1975. Indian standard specification for underground fire hydrant, sluice-valve type. - New Delhi Indian Standards Institution 1987 - 8p.
ENG
IS Code / I.S.I
IS:909-1975. Indian standard specification for underground fire hydrant, sluice-valve type. - New Delhi Indian Standards Institution 1987 - 8p.
ENG
IS Code / I.S.I